MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and ClamAV as malicious, indicating a phishing or malware distribution attempt. The document contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The ML classifier output of 0.995503 further supports the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://pixomot.ru/uplcv?utm_term=request+tenant+to+move+out+letter
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d565ef0e6f---88152568338.pdf
- http://fitviewer.biz/files/file/wepafukepaxedimenoxax.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608289b43824d---tibasalotiv.pdf
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/zexozizu.pdf
- https://pima-alarms.rs/slicice/file/81288505041.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/ce641c3138f3fe9bd5a185da8a532deb/87447400347.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccd6e53701b---wigezina.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/02l8kvhumpf5d5om2i5k51pbs1/50840043982.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a1131e9f74d---bowololotixekarison.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/0u9h3rhr76nr92sms4l185mhfo/kibuk.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/3e4918fa956825c621a53596e21f246a/tedomizojisulovo.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c24a855e60---89054795770.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082623635023---54168544850.pdf
- https://easybuildapp.com/files/uploaded/files/zedetolegapijanonig.pdf
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/59481d91d1a9e5010ffbfa1afb8ad112/gefapunavevivorigukulodep.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608101b004dd0---57411498887.pdf
- http://france-ex.com/images/blog//file/liwowozefoviwu.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090096552705---77184516371.pdf
- https://hpsoft.shop/upload/files/1587400576.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1e0956ae4---xanamuti.pdf
- http://svaz-podnikani.cz/files/file/xajunilonari.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/s701vvstevlm511m59ijp0s05d/81092405644.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab77876e94a---9380907897.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d20a43bc61add83e7d4ac34fd63916ef/jorumamup.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_off0000e43b.binccd1c61e96da99863928f5be86a620c6dc90f8a2f77dfb6f857ba0c27d92a2de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE43B | 10532 bytes |
font_01_sfnt_off0000fc49.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC49 | 16792 bytes |
font_02_sfnt_off0001145b.binfb5e2b057319a5e1867c3ca024057ac1c71ef7b0de8c712f86c7a85e41ee1c6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1145B | 16436 bytes |
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