MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://thuaphatlaihoanghuy.com/uploads/files/tuxexubefotudomukiburugak.pdf In PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/40661893652.pdfIn PDF document text
- http://p-energo.ru/content/file/sedofeguxat.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/23571396311.pdfIn PDF document text
- https://mklaassen.nl/images/file/tativutogotureliradesaje.pdfIn PDF document text
- https://nada70.org/userfiles/file/31893749858.pdfIn PDF document text
- https://newcar-rental.com/uploads/files/202109051020388053.pdfIn PDF document text
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/95839038931.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/fupugadoladilatajifexu.pdfIn PDF document text
- http://tencanpowder.com/d/files/34997074239.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/kijetawezujavumik.pdfIn PDF document text
- http://asesoriazabalburu.org/azaba/files/file/40118595540.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/tukizubodeb.pdfIn PDF document text
- http://thienminhgroup.com/uploads/userfiles/file/13565489097.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9d8217db8---fumojeninase.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/4483b33e2ffb133032055f6df884fd57/91774952529.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/lajasupiwirobusowupifuje.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ea1de0ac2b042b3e52307cdcbbaeea83/9223003809.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/122780451.pdfIn PDF document text
- http://mobil-tech.com/files/sanebogemubomadepeladefa.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/kululokiwuloweg.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=onclicklistener+in+fragmentPDF 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_off0000c944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC944 | 10676 bytes |
SHA-256: aa6798651007f58ccfe383765340215d1ae4e8619dc8265a126c158a54d8707d |
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font_01_sfnt_off0000e1d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D0 | 17640 bytes |
SHA-256: 99110bab03f433a61a4d864be1054dae7be416f4af848c9a76d5b6ab239f8c30 |
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font_02_sfnt_off00011031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11031 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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