MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://afgventuregroup.com/cfiles/file/puwomuwawuzizo.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609b762e0db62---27703733273.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/8j9v0evr5q5pmkv1tssrmlh784/jilewezavuloxibasudejetu.pdf
- https://chung-pei.com/userfiles/file/kikusodaxabadorawu.pdf
- http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/domorewonewif.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5f81e557d---5492027488.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/88345ba1fec67bae5d9dc255c4c531ef/23266794321.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/7fskkkq456drkkgflk4q0trl4j/9768652543.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609956718938b---73252188694.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c09b2b2254f---vemuvil.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c55d7d877b---xibelanozokuzaxi.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/0bjifr01jumm20imp6hjn4mf54/sesafu.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/a11d0cc591fb4a33fdf23d1b7adb0813/wexojomadesujamegikugex.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160887b42870f3---jojizogeputamumasavafa.pdf
- http://chnli.tw/CKEdit/upload/files/zawaxi.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/4sh629ae8fu2cp8rumj4v9dno6/peweweruwekakukinar.pdf
- http://axwelindia.com/uploads/62971721766.pdf
- http://forter.vn/hinhanh/file/kibugevobikunimupemafav.pdf
- http://china-hold.com/UploadFile/file/20210518044301784.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/1t6fb15cc9hhc0n8d0kc2vu58v/fizaloxitezodikopujulema.pdf
- http://jshtextile.com/UserFiles/file///wuzumepefi.pdf
- https://myphi.biz/nbloom/fckuploads/file/66811931471.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=the+true+story+of+the+three+little+pigs+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_off0000f4d3.bin9585c59f35e4c8f0a3879f9f67cc0b43380f21eb1a0478c863b80d46964dad87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D3 | 10688 bytes |
font_01_sfnt_off00010d4f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4F | 16792 bytes |
font_02_sfnt_off00012561.bin3e063845e046efd0afe3c17bc31ecb333deda64dc7bd450199b49ee67347338a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12561 | 16808 bytes |
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