PDF malware analysis — malicious · 19180d04884f8c88

MALICIOUS

PDF

352.7 KB Created: 2022-02-06 14:01:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 59a1bfb49f7cd21c0368c68dcf87c57d SHA-1: f356f4fb3e74ae74aa3c82549857a3dc05b653ee SHA-256: 19180d04884f8c8817c20af4a0e8a4b7aa07884898a3a0e46b7e57edd84fc1c2

174 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5565

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://lazav.co.za/XSRYdR1H?utm_term=ceo+delhi+form+8+online PDF link annotation
- http://jd6618.com/jd6618/file/2021-12/file/LwpCms2021_12_25_05_46_11_4899.pdfIn PDF document text
- http://vps133.premo.at/userfiles/file/49091417403.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/ratuzom.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/badezexotigeb.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161131eac0e843---24636260237.pdfIn PDF document text
- https://fa-vietnam.com/webroot/img/files/radadufuzojovate.pdfIn PDF document text
- https://www.abhi.com.br/kcfinder/upload/files/77348449611.pdfIn PDF document text
- https://immobiliareincentro.it/allegati/file/55188346519.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/36304047458.pdfIn PDF document text
- https://gallerylingard.com/uploads/file/11088935383.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/worususajasi.pdfIn PDF document text
- http://adaviestransportltd.com/userfiles/file/magozejezuj.pdfIn PDF document text
- http://nusamulticentralestari.com/Uploads/userfiles/files/8700149161.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/wofuwubufanazikipuk.pdfIn PDF document text
- https://congchunghadong.com/uploads/files/44700540636.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/67699118410.pdfIn PDF document text
- http://parcroyale.hk/userfiles/wavawubemoxeketa.pdfIn PDF document text
- http://www.angels-rest.es/ckfinder/userfiles/files/samedazofoviveribanab.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ca27b644b25---81101590586.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/zuredemiroziwevaz.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/bc1ee0b79e8e1bc920a6882fceaabcca/43722908466.pdfIn PDF document text
- http://aescantabria.es/upload/fckeditor/file///68244907637.pdfIn PDF document text
- http://etre-belle.su/images/file/83093749363.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/71617585237.pdfIn PDF document text
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/57043210980.pdfIn PDF document text
- http://stressmanagement-karriere.de/userfiles/file/22150158229.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a6c57e34266---36965790080.pdfIn PDF document text
- https://marosme.ro/hirek/file/kolugorijizawawajapel.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16147bcde84320---fijotipoziloxegofora.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/24650415512.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b863a668842---56073396366.pdfIn PDF document text
- https://olivermilk.vn/tctt/sites/aaa/file/147351980.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/1324456101.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/48323150475.pdfIn PDF document text
- http://termosystem.pl/userfiles/file/13916938166.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/49042077320.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/muxetuwukegivet.pdfIn PDF document text
- http://honeycontacts.com/uploades/userfiles/file/wunifatoruvenog.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/64379483739.pdfIn PDF document text
- http://koronavirus.lenti.hu/feltoltes/files/fitogax.pdfIn PDF document text
- http://www.pilatesyoga.hr/files/files/tajewowovirupudonoli.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160faf9a1b5579---8933779237.pdfIn PDF document text
- http://ri-rm.ru/userfiles/file/poguloroxobukurifixexad.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
+2 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00051770.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51770	17068 bytes
SHA-256: `b54ad77eae920246b30e829af45ec72a36c9afd51a4494c73bb713ca1095dee6`
`font_01_sfnt_off00054434.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x54434	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_02_sfnt_off00055b56.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55B56	10432 bytes
SHA-256: `c04d7f6aae028e07e6ef52bf99670fb419907df84a90886e638c177e8094477c`

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