MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to compromised CMS upload directories, indicating a link farm designed to host or distribute malicious content. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as phishing or a trojan. The primary attack pattern involves luring users to these external sites via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/62e7e8b5fa33e1e7f86b2c902a54595e/kolezanegilixatogib.pdf
- https://concertwristband.com/resimler/files/nipevugerimalotumiki.pdf
- http://recviem.ru/img/upload/sufawulagedepevazepero.pdf
- https://hoangvan.vn/wp-content/uploads/files/tamuviwefod.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16151709c6f1b6---xetatiribokakozutu.pdf
- http://imcborivali.org/userfiles/file/zuxozisinopumar.pdf
- http://omegapizza.net/uploads/files/naruxowulasujikifosine.pdf
- http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/14027264764.pdf
- http://sun-tes.ru/files/file/54756245454.pdf
- https://lotte-ppta.com/beta/assets/file/3600940846.pdf
- https://eastmangroupllc.net/ckfinder/userfiles/files/tusatoketavig.pdf
- https://thietbixanh.net/uploads/files/mekegajuta.pdf
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nejaxaji.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615236be90803---xipubazigate.pdf
- http://autosoftware.company/autoresponders_images/files/36439394167.pdf
- https://satesayap.com/contents/files/98117785484.pdf
- https://tierlistei.ch/downloads/nomexelupivobezovowof.pdf
- http://globalroomplus.com/bot/ckfinder/uf/files/7484178885.pdf
- http://hightopeducation.com/cms_uploaded/file/28309615649.pdf
- https://konteshamamotu.com/userfiles/file/joluvila.pdf
- http://manilag.com/FileData/ckfinder/files/20210919_1BF33681DC88C6FB.pdf
- http://otoozevran.com/resimler/files/17743943662.pdf
- https://argekaucuk.com/nbg/upload/files/gefuretufarenoxivinovot.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=keyword+research+for+affiliate+marketing
- 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_off0000b27c.bind3ac4fc04309adf99669a71c43b25a9678831736974e92cd03130247c62add01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB27C | 15984 bytes |
font_01_sfnt_off0000db4a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4A | 16792 bytes |
font_02_sfnt_off0000f361.binf05f1bf44b73da2b6179d6d4a82b9e921821a91bad53d56fd08c8603e1a8e0e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF361 | 11204 bytes |
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