PDF malware analysis — malicious · d3e6a5407461f78e

MALICIOUS

PDF

264.9 KB Created: 2022-02-04 06:24:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 600f12047bab0ae3622f7d578de28800 SHA-1: 5f55f6fb218ee82e9aab34787d5f312e8561d90c SHA-256: d3e6a5407461f78e98305c9f68ddfa987cf06fbb97a2b9319163d7d7b2600727

174 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5759

Heuristics 7

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.
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 https://norin.co.za/XSRYdR1H?utm_term=appserv+2.+5+10+free PDF link annotation
- http://baraanduliaptti.org/userfiles/file/kupanupeke.pdfIn PDF document text
- https://www.photosenpoesie.fr/ckeditor/kcfinder/upload/files/bevivafosirusav.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/ua27vq4pmuk6jdqsqtjobd4hn2/fivonenisomugipagetezizod.pdfIn PDF document text
- https://ksuskalology.com/images/file/kidiviwawigezulalafute.pdfIn PDF document text
- http://sieuthibds.net/images/files/fetesuxepavuruj.pdfIn PDF document text
- https://micro-logic.ro/images/uploaded/file/wedodewu.pdfIn PDF document text
- http://maekalocal.com/Maeka/UserFiles/File/83533475142.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d164d9d0bf79322808e3deffbf24054b/79901211983.pdfIn PDF document text
- https://www.kpglearningbox.com/assets/kcfinder/upload/files/jatikipawagos.pdfIn PDF document text
- https://cet.sk/res/file/zevevujulovoxi.pdfIn PDF document text
- https://nk-sostanj.si/files/file/rarovegapaxejilujig.pdfIn PDF document text
- https://landtop.com/filespath/files/20210831010858.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/fbcf4c3acd4126b0cdce4d62cca6b1e8/19743120331.pdfIn PDF document text
- https://rinducm1.com/contents/files/watujuna.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/32646804160.pdfIn PDF document text
- https://cuichi177.com/uploads/files/202108141107567524.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/taxuvafumawilogunub.pdfIn PDF document text
- http://abwrva.com/uploads/files/70812941603.pdfIn PDF document text
- https://whereestar.com/marinarubicon/admin/file/sotalaba.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/juvamilusuniguter.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/88629444455.pdfIn PDF document text
- http://peoplefineart.com/assets/202107/files/20210710112530818010.pdfIn PDF document text
- http://nagakuratrading.com/js/upload/files/mutikuxas.pdfIn PDF document text
- https://air-separation-supplier.com/d/files/kalepixasuvizenis.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/boperisuragonipujefupufo.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/30696954778.pdfIn PDF document text
- https://www.anefescuela.es/files/96852815238.pdfIn PDF document text
- http://regcureguide.com/files/files/37483467596.pdfIn PDF document text
- http://pinxedien.net/upload/files/konesorikolakole.pdfIn PDF document text
- http://goozzl.com/userfiles/files/roxumoromujozarevi.pdfIn PDF document text
- https://ispartaprefabrik.com/ckfinder/upload/files/ligesosaxolagumivoguwatib.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///pisofiruniku.pdfIn PDF document text
- https://ezsprinting.com/userfiles/file/58668935622.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/70186118746.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/15527826840.pdfIn PDF document text
- http://zoldjogsi.hu/uploads/files/15709925157.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/lodosifupetugosikigibas.pdfIn PDF document text
- https://coloradoofficecleaning.comfortvacation.com/userfiles/file/gikofujaguveruromasuruzob.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/lixek.pdfIn PDF document text
- 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
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netReferenced by PDF JavaScript
- http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00037cec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x37CEC	19360 bytes
SHA-256: `1473d59e45e13058271fc3a3540d2dd77cfc09c794046780eb82fde7965faf8e`
`font_01_sfnt_off0003b662.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3B662	17600 bytes
SHA-256: `99b90dc6ddbed01b515bc0e7da6b3fb3777e4b8070ae5845bc34705fc5994b16`
`font_02_sfnt_off0003e470.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3E470	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_03_sfnt_off0003fb95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3FB95	10272 bytes
SHA-256: `9c745a733466d3daf1d74e0daacf5bcc99a3a2a78a65954de54ab3d02b10a8e8`

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