MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host further PDF files. These link farms are a common technique for distributing phishing lures or malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nomylo.ru/uplcv?utm_term=how+many+12+oz+in+a+gallon
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/38a9c3f0469d73cae56e6d3f17bb53e6/guzojexivalitugukodezopa.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bcee507b7---65152846078.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/rijta9f577cdgak8ksjl055493/73246953042.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab832b3f2e5---mekuratamoxuvubod.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff885da099---kujanisajekugevajabafer.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6090282d3---kumizarujijodo.pdf
- http://nmglyxx.com/userfiles/file/wogivakiba.pdf
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/bewajejatevuwunizaponuru.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160aa34fe091cd---falumamuw.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/aukmvqjk3a0618ac8sqejbgtql/28960797851.pdf
- http://ei-windykacja.pl/upload/file/mipuleribijazanunejaze.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/cec08a8ecee972e6bff180838725210d/21762661439.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf20f59ae96---50912418925.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/256d75j16or1c28alvsnmgkalo/56482264127.pdf
- http://businessvaluationapp.com//fck_files/file/65644524304.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928e457309c---lijadituvaxofuxagoxe.pdf
- http://dolphinkorea.com/files/files/vumejegabagesamugikoxok.pdf
- https://tavio.ru/files/file/1875227819.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc51c80729---42183202687.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/69521b2b5142c5c0748392a9b37ee4fc/28933786401.pdf
- http://artecgroupservices.com/imagenes/file/kebexajemeguxow.pdf
- http://grapevinewinerytrail.com/clients/876125/File/59073284290.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac10d63a002---59036500462.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_off0000ea1f.bind6b5ae47b75bfe10be033dcf2b73f91132cadc9560072ab638f02a56855f197a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1F | 17304 bytes |
font_01_sfnt_off00011785.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11785 | 16792 bytes |
font_02_sfnt_off00012f9c.bine932a23629c6efba83d2d0edb074e8e736b6b5a2dd4815e0e3b63f44264f7c74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F9C | 10376 bytes |
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