MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly supports the attack pattern of using a document to host a collection of malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://wastran.ru/uplcv?utm_term=open+sea+map+android+download
- https://yellowstonewildlife.com/vakop.pdf
- http://automyjka.pl/automyjka.pl/userfiles/file/muxesexotanelix.pdf
- http://savemaxint.com/files/file/8411553443.pdf
- http://joyearland.com/ckfinder/userfiles/files/xifiwunos.pdf
- http://wannawwannie.pl/userfiles/file/bikagujuzet.pdf
- https://asiastudy.in/ckfinder/userfiles/files/loxavotususekuwib.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16142415b19bc0---kigavoporawaxenilul.pdf
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/30234363381.pdf
- https://mbamantra.com/ci/userfiles/files/34049044380.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16149b4e0457a9---bopazi.pdf
- http://hometextiles-consultant.com/ckfinder/userfiles/files/lovafavimirepibekafaguta.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6642dcc79bd3b12cacf49be10d83a0ef/vikuva.pdf
- http://markasib.ru/ckfinder/userfiles/files/govarebudulukikuzufo.pdf
- http://sipzip.com/userfiles/file/wasawu.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dd6f2e8332---30756969404.pdf
- https://saglamahsapkutu.com/img/editor/image/file/71614408990.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134bcc1c4e38---mutokutamujimawal.pdf
- https://mjrspot.com/fckimages/file/41002525754.pdf
- https://cauthinh.com/luutru/files/80087381910.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131bc3f0dfa4---99549841547.pdf
- http://sswjeans.com/files/bitijifimajamepodesaxi.pdf
- http://auto4-spb.ru/public/images/ckfinder/files/wikixamejigejawe.pdf
- https://lufty.cz/UserFiles/files/barosoti.pdf
- http://stillincontact.com/images/mails/file/14209415714.pdf
- http://akkoryazilim.com/userfiles/file/vinowejono.pdf
- https://landatur.com/files/galeria/files/67469757244.pdf
- http://www.plan.msu.ac.th/ckfinder/userfiles/files/2989766468.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6b9.bin0381fe41fc89ca0bbb15d0ccfcf228b3e62f8e7efb1338573b21fd91f464beb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B9 | 18264 bytes |
font_01_sfnt_off0000e53a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53A | 16792 bytes |
font_02_sfnt_off0000fd51.binf3ca15760146109c2459c4a6b614ea5e5cb826b548cb87d0596e4ca815bab225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD51 | 10564 bytes |
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