MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution lure. Heuristics indicate the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.6508
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=harga+android+samsung+j2+prime
- http://italiangreyhound.pl/img1/userfiles/file/kaxidafanebajipixover.pdf
- http://zl369.net/userfiles/file/75911496025.pdf
- http://market-oborudovanie.ru/upload/file/gizofeketoxakukalupak.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16141ddc693811---3043771623.pdf
- http://cascad-trans.ru/files/42048600940.pdf
- http://otohondamientay.com/upload/files/vikigipexetejumibipiguv.pdf
- http://hiro-seiko.com/upload/files/5660579942.pdf
- http://vietsonplastic.com/uploads/userfiles/file/sogowu.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/d6c5494fab71fbfa87cbf85e2b27a704/tedenevune.pdf
- http://lamexmarket.com/uploads/files/95641347619.pdf
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/90727954631.pdf
- https://juhaszautovill.hu/userfiles/file/22110980125.pdf
- http://abnig.friendship-match.com/upload/files/10406301266.pdf
- https://marblo.com/app/webroot/img/files/42061169706.pdf
- http://influences-vegetales.eu/assets/Image/files/81623359544.pdf
- https://aakritidigitals.com/userfiles/files/90535746424.pdf
- http://zeguvietnam.com/uploads/ckfinder/files/tarodixeki.pdf
- http://veterinariacomportamentale.it/userfiles/files/16946134052.pdf
- https://mattress-leader.com/media/ronulefebomigejopitin.pdf
- https://torgradio.ru/new/files/file/wabipofikegexadinemav.pdf
- https://vgi-vn.vn/app/webroot/img/files/53173546069.pdf
- https://pacpartner.net/images_client/imagesfile/dosojivusosukewuzirulirej.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bdd9d4775---73296716930.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000adbb.bin889c66abbdbad0cdc7779121df6ffd7c29a041548ff964016538f987cfedfbfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADBB | 15380 bytes |
font_01_sfnt_off0000d3ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3FF | 16792 bytes |
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