PDF malware analysis — malicious · 4afcc45ca057d8d3

MALICIOUS

PDF

300.0 KB Created: 2022-01-22 10:12:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: 7017e69cb4cfae7bbb4f9ce13b8a5b63 SHA-1: 89c01b0227f2dbf354d776c6e66955085b7b41c7 SHA-256: 4afcc45ca057d8d34c0e7f808f0d1876ecb213084b403e7c8109665af7c4250f

182 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5497

Heuristics 8

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ventiliatoriai.lt/js/ckfinder/userfiles/files/tules.pdf In PDF document text
- https://ankaratutuncu.com/panel/kcfinder/upload/files/63009120542.pdfIn PDF document text
- http://michellenevinracing.com/FCKeditor/file/ximibuva.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/12116740691.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/89515319896.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/nodaruwisipodimikinovexe.pdfIn PDF document text
- http://claudiamelchior.it/images/file/36587728143.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/dopefotisokosabugujew.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/lesavanekimozutewak.pdfIn PDF document text
- http://wsmr.us/userfiles/file/bimuxor.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161c64f204bc34---fugerodomunexufe.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/46953838979.pdfIn PDF document text
- http://yaan121.com/uploads/files/202110060408385027.pdfIn PDF document text
- https://cape-electronics.com/media/file/melusujefewazowinebu.pdfIn PDF document text
- https://alhurwallpaper.com/Files/files/nilosurafobakakilowinij.pdfIn PDF document text
- http://energywork.pl/userfiles/file/supowuwodozawelewumek.pdfIn PDF document text
- https://oceanflowerhotel.com/uploads/image/files/wuraxomilox.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/sosoteralubigipis.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-17/20210917015028176407.pdfIn PDF document text
- http://polimak.pl/userfiles/file/zular.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161659f56d7c37---fobuniva.pdfIn PDF document text
- http://banlinhkienlaptop.com/userfiles/file/naxuwarikeruwotobafilos.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/gupexaje.pdfIn PDF document text
- http://sbstroy53.ru/img/files/98304800621.pdfIn PDF document text
- http://partha.org/backend/web/kcfinder/upload/files/86735233196.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20211024103433302.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/lagabuzirogole.pdfIn PDF document text
- https://kubermatkaplay.com/ckfinder/userfiles/files/ramuzagewalozabulato.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/f18325e820c898abb6e206dd9171bbe9/28711548310.pdfIn PDF document text
- https://linlinline.biz/js/ckfinder/userfiles/files/33324970733.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/66839447852.pdfIn PDF document text
- https://rcot.org/userfiles/file/69299942909.pdfIn PDF document text
- https://liguecasa.mmsfoot.com/stock/file/lavunigititugaromilid.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/75229528070.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/karanetanopajuxifavirivo.pdfIn PDF document text
- http://soojuspilt.ee/files/file/99421416532.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/e608f0d60891a323bdc16b1abd1ce8ba/91941469019.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/gajodutalenozawegulor.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161cb5d5ec660f---zosawo.pdfIn PDF document text
- http://dichvu12h.net/userfiles/file/tujasume.pdfIn PDF document text
- http://asbazainville.org/userfiles/file/bibabawu.pdfIn PDF document text
- http://shiny-baby.com/fileimage/file/75002404571.pdfIn PDF document text
- https://carolinevlieghe.fr/images/file/fusavovoluwoxudiv.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20211008031720.pdfIn PDF document text
- http://pjteam.hu/uploads/zafinutubukotokilezo.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/mexivowo.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/tgwjJlsMqHc/uplcv?utm_term=game+arcade+offline+apk+modPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
+5 more URL(s)

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000428c0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x428C0	10648 bytes
SHA-256: `55472673557500a4a277f0544ddfb1786f4caebcbcf0370e55592f099fb6976b`
`font_01_sfnt_off00044101.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x44101	16092 bytes
SHA-256: `9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd`
`font_02_sfnt_off00045644.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x45644	21560 bytes
SHA-256: `1f5ce62040a7472f1398192f29db076ad96d68eb6dab48b65791f6c0bef6716a`
`font_03_sfnt_off00048848.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x48848	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`

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