PDF malware analysis — malicious · 4afabe82abe3ad92

MALICIOUS

PDF

95.6 KB Created: 2021-10-11 02:36:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: bda48a91371d85b10978f1184c817558 SHA-1: 7f84e79a7d9c3d823a094cadafc7a5a4b3d11302 SHA-256: 4afabe82abe3ad92617ae44caa7a4d8e8f354db5a41f4af74012a4ee38cfe2ca

134 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9965

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://femagnet.com/upload/edu/article/file/34102963240.pdf In PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161580fdcd84b9---64668745720.pdfIn PDF document text
- https://10fci.net/userfiles/file/65892004608.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/gogexasovozenixunaf.pdfIn PDF document text
- http://mackyz7automotive.com/js/upload/files/17852838769.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/polobesuvef.pdfIn PDF document text
- http://mascotdd.com/file_media/file_image/file/6385063876.pdfIn PDF document text
- http://soosanfix.com/upload/fckeditor/file/fawesojavazazexutora.pdfIn PDF document text
- https://trystsalonri.com/images/file/53044862551.pdfIn PDF document text
- http://phamtrangia.site/upload/files/fademewuko.pdfIn PDF document text
- http://abwcockeysville.com/uploads/files/59458294792.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/25950983004.pdfIn PDF document text
- http://sbcnepal.com/images/file/82290666661.pdfIn PDF document text
- http://huefpdf.org/upload/file/69337722675.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/26118019886.pdfIn PDF document text
- https://desco.scp.hr/files/rikewovom.pdfIn PDF document text
- http://innersolutions-uk.com/file/3267568269.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/digedetitavutodilamefe.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/73975231451.pdfIn PDF document text
- http://heldermusic.nl/ckfinder/userfiles/files/22716446662.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/boxujajilugep.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/pesolemezizetikazok.pdfIn PDF document text
- https://projektovanje.info/userfiles/file/13371207752.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/pakadilugudonededemipiwe.pdfIn PDF document text
- http://ngoinvest.com/uploads/ckfinder/files/33961695794.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=red+line+shady+grovePDF 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
- 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.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010c22.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10C22	10656 bytes
SHA-256: `7964404e7ac7f333377a0648a38e44f600f2207669874c6b8782de7302ff0b07`
`font_01_sfnt_off00012442.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12442	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00013c54.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13C54	20068 bytes
SHA-256: `b24709de0f90de74a868229c0c21418c7b92d909b369c5c313b0fff6c1f842d6`

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