MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. The file's structure as a link farm on disposable or compromised hosting further supports its role in directing users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9875
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://pistant.ru/uplcv?utm_term=rivals+at+war+firefight+mod+apk+unlimited+bucks
- https://jmcoverseaspvtltd.com/uploads/files/rubofeguk.pdf
- http://puzynowska-kancelaria.com/userfiles/file/balirobatovuxa.pdf
- http://uptownchantilly.com/uploads/files/dotavovisov.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/21e437f86957d00b5df54d17f57ad8bb/sixopupux.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/22d36a7b9341aefff869fd902fc48d41/61275045208.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160873969cec48---10359751218.pdf
- http://sonnenheizungen.ch/fckeditor/editor/images/file/kozigupuwiletakoluzazak.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/h9dam0pavoi75hcieahm7ecvhv/pusatovexuvulokazimamafu.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/vh7pa98j5fk99ham512rhtv141/fosulamapopanad.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/93fb10bde185ca479330a1bef688c8ff/52347009213.pdf
- https://ihotel2b.com/upfiles/editor/files/juvav.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/47325dece6255f7d0efba51cf8d33177/3888231674.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/i8l41jk0s6dksti0gct2odeluk/96492873875.pdf
- https://wisserarm.nl/app/webroot/files/userfiles/files/zepubomusilox.pdf
- http://bhavalaya.org/ckfinder/userfiles/files/74398394490.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/d00h2daj6uj6batsarqjr01m2d/7923115607.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7656be8ed9---podegusudepononufug.pdf
- http://bmsorganica.com/userfiles/file/16400213805.pdf
- https://tamphuctriland.vn/upload/files/rumesako.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/eb8aa831bc893612fa7022c6ddd22780/58672349379.pdf
- https://alatheir.com/atheirwsfiles/file/wegudalowid.pdf
- https://harom.ro/files/file/9805312055.pdf
- https://bamor.org/userfiles/file/wixozorolujiwuzuwajus.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d84c.bin372ef3d8d8f0755e5d6c8ce3a987984f03ff80395be4749276fdf49c507ced61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84C | 17016 bytes |
font_01_sfnt_off00010500.bin6db0f6aff302517959e771341526719c7cb0bccdb624e9d69e423217ff3f1916 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10500 | 16272 bytes |
font_02_sfnt_off00011b0c.bin6df00093d1a1fd8b8f95901b42ba2863538c90606311dd4adf1993a433792d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0C | 1692 bytes |
font_03_sfnt_off00012314.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12314 | 16792 bytes |
font_04_sfnt_off00013b2b.bin0b56cafafcb71448a22f7892ab859f6419cf67aa823bd537eab53fc9c3777685 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B2B | 11596 bytes |
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