MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with several URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links and the detection results strongly suggest a malicious purpose.
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 https://autoprofi.ua/userfiles/file/58975745733.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed0065deb2---xulusolifaminofugas.pdf
- http://alhegazgroup.com/userfiles/file/91374364792.pdf
- https://likeevent.it/writable/public/userfiles/file/44655030706.pdf
- http://thuephotocopytaihanoi.com/upload/files/76411063038.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/66vmgif5d6due5svsk1od617r2/wenibajike.pdf
- http://sistersaviopublicschool.com/userfiles/file/popominozo.pdf
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/12590862958.pdf
- http://pvvc.cz/files/49839053814.pdf
- http://www.ettermanenterprises.com/ckfinder/userfiles/files/tenibewovunirosisejimi.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/1b254128c2415a340a319928a8e0ad00/mobutixagabosewexezafesoz.pdf
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/vokugoxisisukaxap.pdf
- http://saimiri.name/upload/file/30210046651.pdf
- http://bukharageorgia.com/sites/default/files/file/88114284650.pdf
- https://cr2tek.com/userfiles/Proj_Name/files/vepoxisuxizemo.pdf
- https://ghnservizi.com/file/zenukemopuz.pdf
- http://cissi.it/userfiles/files/pabufijudijak.pdf
- http://d2dgroup.net/upload/files/62212584660.pdf
- http://vietcem.vn/public/default/ckeditor/files/pakapopemukanabibaserupaj.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614796266d31c---fudizoz.pdf
- https://9ja-bet.com/userfiles/file/33465085339.pdf
- https://simondaulte.com/ckfinder/userfiles/files/26156065223.pdf
- http://cameralehiep.com/hinhanh_fckeditor/file/97783686527.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=secret+screen+recorder+for+android
- 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_off0000b14d.binad81516f3700a9c423c24561cc37ed18cf117b74b0d6e6b7cbd6ade4fde5a0d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB14D | 10500 bytes |
font_01_sfnt_off0000c947.bin3072c445c84a954a1046b5fbb2dc8b0425dc3438f382580bb006a04257df03ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC947 | 14564 bytes |
font_02_sfnt_off0000ed80.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED80 | 16792 bytes |
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