MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. These links likely serve as lures to phishing sites or downloaders for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa537da2a1---mivubibiveboxifofejalawa.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/39777605201.pdf
- https://khotelmarket.com/FileData/ckfinder/files/20210603_A47226434BA82677.pdf
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/48624678718.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/e9amh8bnvp7abmfglp67fh6b73/16473274272.pdf
- https://rpdev.org/ckfinder/userfiles/files/46922060703.pdf
- http://www.irrv.org/uploads/files/27801098395.pdf
- https://egf.tw/test2/images/file/wajufuliresub.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818f811b4e9---pomiwobitezakogazonawofa.pdf
- http://zjqzzx.com/uploadfile/file/2021071704444973499.pdf
- http://accessiblevehicleservices.com/userfiles/file/topupanufuxekemi.pdf
- http://anthonyvienna.com/sites/default/files/file/69437949314.pdf
- http://sweetbasketsbyjackie.com/clients/864293/File/43728151046.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c88424916---zijimazunuzobifefudukop.pdf
- https://chiataiec.com/userfiles/Proj_Name//files/14263601868.pdf
- https://studiopros.com/userfiles/file/
- http://oticonshop.net/ckfinder/userfiles/files/jimet.pdf
- https://ka-base.no/images_content/file/79000205588.pdf
- http://czytamzezrozumieniem.pl/userfiles/file/15576827714.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095afe02ea18---miziwivedarovi.pdf
- https://habibitours.net/ckfinder/userfiles/files/86499169374.pdf
- https://elsadaulte.com/ckfinder/userfiles/files/pamapafepilugawukigoxape.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff3b0b5257---41987449108.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mobile+repairing+book+free+download+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_off0000ddf4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF4 | 16792 bytes |
font_01_sfnt_off0000f60b.bin60e9930c2642cd39b0a23fd8f18422da1f4502a481e094ad1b2f3b3dfa24e737 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60B | 10716 bytes |
font_02_sfnt_off00010e54.bind081863ea41770fe9ebade938375b279506a0241beae2a989bc9180071edeb0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E54 | 17432 bytes |
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