MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm. Multiple heuristics indicate the presence of external URIs and links pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristics strongly suggest the PDF's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://coretry.ru/uplcv?utm_term=battle+warships+naval+empire+mod+apk PDF link annotation
- http://brno-skoleni.cz/ckfinder/userfiles/files/5656055242.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/28202177753.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393dae10fbf---6662553911.pdfIn PDF document text
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/29289562031.pdfIn PDF document text
- http://4grd.com/cmsimages/file/20888824643.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/9986435301.pdfIn PDF document text
- http://wojno-stal.pl/pliki/file/82580300634.pdfIn PDF document text
- http://changjiujz.com/uploads/files/202109042107562064.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/8984470561.pdfIn PDF document text
- http://tayles.com/uploaded/77469775032.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/taxef.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/57662303924.pdfIn PDF document text
- http://alatasfilms.gr/ILC/img/file/leluzevafa.pdfIn PDF document text
- https://cevhertemizlik.com/userfiles/files/kuwob.pdfIn PDF document text
- http://hzqzg.com/d/files/wajolixora.pdfIn PDF document text
- https://malayalamfoundation.org/admin/my_files/file/27415136895.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/moxipajugepe.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/uvu6u1au2ndfc5l5vd82reg6t1/femurimuwuvel.pdfIn PDF document text
- https://clickbox.ro/images/file/13943142312.pdfIn PDF document text
- https://lockerova.eu/admin/upload/documents/77276716624.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bcbd2a980---70637261588.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/33892065548.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.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_off0000c183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC183 | 20316 bytes |
SHA-256: 0fb16d2d181c835a78b89fd87d4d211c40fd76f97bc80035709a5968ae996495 |
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font_01_sfnt_off0000f714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF714 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F2B | 10952 bytes |
SHA-256: e5a428605dbd7054ffc4bf878e2822ec642b9b9f5842be09f0e1de7ac0a8ab3c |
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