MALICIOUS
156
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 a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to obscure malicious destinations. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malicious content delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://mobilesamara.com/img/files/file/22238183298.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ccdae2323---81850685317.pdf
- http://impactpluslearning.com/ckfinder/userfiles/files/xaneferuzuso.pdf
- http://vekosgroup.ru/userfiles/file/daxubobafolaramajexole.pdf
- http://9meclinic.com/ckfinder/userfiles/files/65416767496.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd3c04c65c---latuzudekofojulixituf.pdf
- https://silga.ca/userfiles/file/91339636428.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/hk76a0u4imt540mmeehnh1ksi6/ruxejugi.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608aad18e81f8---miniderilugopotataj.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075986334b01---tijasurawuj.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d26eef4178---84769203188.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/45495d7e7c7dbf83944d540a14e03fae/26144671174.pdf
- http://capmar.eu/userfiles/file/53191678236.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/3e4d989a68eb16c58fed1e8a3a85da2e/ripifi.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/478e4c16c769f1ac53ac853e37cc5846/58486728478.pdf
- http://hurtmar.pl/Upload/file/xotujujobulose.pdf
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/vkv5tda0oi7ioo41jahnpafcr6/nifadem.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41bd0ee312---57453554532.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/sbn48o97hk6qposp9qi13n52h0/43360292091.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/47278876820.pdf
- http://np-laser.com/upload_fck/file/2021-6-14/20210614201059157097.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/c0a4b35710d90d78a4411e02946e4f26/mibojitavobafolu.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088feca172fe---wokopisejumadijutu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=what+can+i+do+with+an+associate%27s+in+psychology
- 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_off0000e73f.binf4f2109320f455deb1b959719997e9ee23e3895012fd6db0549620ddb6c54e22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73F | 10920 bytes |
font_01_sfnt_off0001006b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006B | 16792 bytes |
font_02_sfnt_off0001187d.bin641788674ccb7491710320a56037be7f8a2671a13fff7249789f4e00ca6b1413 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1187D | 16880 bytes |
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