MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting it's part of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body is unreadable, but the heuristic findings point to a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://maremio.ru/admin/ckfinder/userfiles/files/pitamuferepilipujirogiv.pdf
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210623055338.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0fa73c5dd---nuwavinuxubumedobipulabez.pdf
- http://vitanova-cattery.com/upload/file/zerumagup.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be5d2a0abeb---vetumubu.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/cc66eaab9455e31cf76fd45f551f35b3/80174718226.pdf
- http://candientuvibra.com/images/file/33125553054.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/454f7e911ad55b5bf288961405a1390c/55058326985.pdf
- http://indecomavo.pl/inc/zufonilib.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ce98415d9b5---xofipoxanipadajo.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e798146f6---92226941920.pdf
- https://onhimalayas.com/ckfinder/userfiles/files/lugapovakubifoliwifuk.pdf
- http://assushop.com/userfiles/assushop.com/file/vimezajumul.pdf
- http://asiadomainstore.com/userfiles/file/36148647636.pdf
- https://samoinstitute.mn/uploads/assets/file/xajaxakisuneluludev.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/c5df3b079e29cf8135e7c1dac1551e7f/89241035539.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a10172766---88308469959.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e07c25056---timisegevonuxop.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0c6c188199a1b5211b6673b6bb0aa92b/kemunapowegiwosutesilup.pdf
- https://almuhja.net/ckfinder/userfiles/files/nikaxadoboboxadisidibuxu.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16070f5ebdbafe---tiwixepepi.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/5khdjlcv5fqk5sa82vc06cgi3j/xavolezinorazejer.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/b35veri5l88ltjvur97o5ne720/29300751644.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/ec851cb864e11809c7f918508f293b68/9945988794.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160860fea5f9ba---87518476692.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/d27e6f137c168a2030094c178bd5bd56/piwipajudewini.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=as+is+inspection+contingency
- 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_off0000f826.bin1b646553981148cec120e4a2574188e96fe5d95a1834f5ab6cd2c4ac2f059e3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF826 | 17564 bytes |
font_01_sfnt_off00012651.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12651 | 16792 bytes |
font_02_sfnt_off00013e68.bin201ebad78a41de7031ec5207f42cb0b25c9184ed2adbdc8bfb039fb3ad1c8083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E68 | 10336 bytes |
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