MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The file's structure and the nature of the URLs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 http://handbook.hu/upload/page/file/50394618140.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c880015f8fa---7995813141.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/e30aecc89cb77463721415f52789387c/pobezikoxomama.pdf
- http://cngwalk.com/fckeditor/userfiles/image/65697367041.pdf
- http://sumtinathholidays.com/admin/uploadfiles/file/90122084914.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/lds9e3s5d5td123psn1dg7kdj1/91767762534.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/6410dd157d3b3d0f91983ba43f48b35a/93791241471.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc8bb5043c---44815622210.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcb8e68160---gemabosiwipujewezeso.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b16dd3a290e---40660728575.pdf
- http://hutbephottaihaiphong24h.com/upload/files/vejenivovonobukojogitudi.pdf
- http://xn--aknmedikal-yub.com/uploads/file/wiwufuwuw.pdf
- http://cnex.cc/images/blog//file/71295547868.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160801022160af---30385319505.pdf
- http://bellina.pl/userfiles/file/saxonegivatopuniraguwek.pdf
- http://diclenakliyat.com/userfiles/file/nodaboze.pdf
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/a04b44b4dc9314ad674dd584aa6abdf7/jizobexobomabemeg.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079a5c6b6ba3---38683280831.pdf
- http://eotp.info/sites/default/files/fck/file/vaditexiwu.pdf
- http://446888.top/userfiles/file/41768091967.pdf
- https://riolospettacoli.it/filesUploads/file/37325772037.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/fea5082e422ee8c17203213574ebdc56/8975155684.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160c77bddf39e1---28871049528.pdf
- http://amursvoidom.ru/media/files/94288935223.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/3e44344118459e2fd4345a6345ab585d/botag.pdf
- http://onnetsolution.in/userfiles/file/disezanipiw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=microteaching+example+topics
- 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_off0000ed6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6C | 16792 bytes |
font_01_sfnt_off0001057e.bin61d4c04bb0b0076084f011f4649a60dc81592e3a6982ee6e6f912e8ee621af73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057E | 17704 bytes |
font_02_sfnt_off00013343.bin891903e06d511d50d845d27d503c42e8f66d553ac68d476771d58733eed50f19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13343 | 10916 bytes |
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