MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to potentially compromised or disposable hosting sites. The primary purpose appears to be directing users to malicious content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://okgwa.net/50/files1/file/39733074289.pdf In PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/d98s2cbli6pcv1abioctm2u7g2/totuza.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/viximovebukesimeli.pdfIn PDF document text
- http://balone.net/_upload/file///13027148826.pdfIn PDF document text
- http://unibox.lv/files/text/fikivaleraduwitidopegixu.pdfIn PDF document text
- http://englishplanet.info/ckfinder/userfiles/files/36989467641.pdfIn PDF document text
- https://jordan.si/dokumenti/file/lopifilotikezi.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/5613022113.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/jumimowaropodataje.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1adp1kvc8udnlhks1svhgvno67/3353065854.pdfIn PDF document text
- http://ping-property.com/user_img/files/33737576047.pdfIn PDF document text
- https://cargobull.cz/res/file/5115037625.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d30b2a6b6---16283903631.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/2552752101.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/60b733daee97655c78b0fb2cc0b71b19/82102050252.pdfIn PDF document text
- https://idealist.ro/userfiles/file/21269925857.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/bineki.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/tikewukaligusofunetafoj.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/72fef8fcffff3b3b24f20e1dd1bdaa69/gataxupos.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/fb4700c5a8c64a618debb6a86f105878/15619728357.pdfIn PDF document text
- http://cristalensi.com/public/File/93579604838.pdfIn PDF document text
- http://zonwering-nederland.com/ckfinder/userfiles/files/wirunamitodujururoxew.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=apple+ii+super+serial+card+manualPDF 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_off0000e51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51E | 17752 bytes |
SHA-256: 0ab08973be7670a3844f58788f70a0512279acb852d63f721a82550f65268491 |
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font_01_sfnt_off0001130a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130A | 10536 bytes |
SHA-256: a8354933b8deaeec9e3d426feffb1934979815275b65f5fee1b6f42fa171b11b |
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font_02_sfnt_off00012afb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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