MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised WordPress upload directories and other domains, suggesting it functions as a link farm to distribute further malicious content or phish for credentials. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a malicious document, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://cambodiadriverservice.com/userfiles/file/xijiba.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2a03e0a08---55761074964.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c5479224ca3---27155618564.pdf
- https://akamercedes.com/images/uploads/files/mufodogidugimevevo.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/686a8178a12b680eb9a87e8836ddb47c/fuxarojosekokagu.pdf
- http://tungalag.mn/userfiles/files/49827521156.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/57bd6e94a7a9395e01f23cbec707e914/gatek.pdf
- http://tasarimak.net/ckfinder/userfiles/files/55366179790.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078326f67232---penukisukuvuvevufemuwelul.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/7576cde23367dda09d9ba6e7c9b31c95/xatutuwenalovatanuriw.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090da9b8e53a---387078189.pdf
- http://buildinggodskingdom.com/webcms/file/pemivijukosudesara.pdf
- http://cobansut.com/userfiles/file/19703658835.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/420fc7dba813253e05e837386f7c3283/riwamilasudiliviliteki.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607426f414282---fakasuzakipixil.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863455d917b---sepal.pdf
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/62217102297.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16096636254af7---66941870877.pdf
- http://alexforstarlight.com/clients/4/41/4125d763bdae894b2c088b8c4c0f4705/File/bedodoxovevaw.pdf
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/fbf750956344c001c03da2ad0412c8ea/nonumuvoripimatekuvuneb.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c88464e3773---8585889037.pdf
- http://csc0851.com/userfiles/file/20210627040530_i5wcnf.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072fa27be83d---17341602673.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c70e8011e51---lipinupukavife.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/728c56e0da8115636bcabd2ff486d62c/sipafepirogukibigov.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=reforming+capacitors+with+a+variac
- 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_off00011372.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11372 | 16792 bytes |
font_01_sfnt_off00012b89.bin5c5dfbc376dd8cc2f2e4646623538d1b42b1ce350abb1e9d579d5a521c8d4e1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B89 | 11076 bytes |
font_02_sfnt_off00014542.binea730f265f1460eb6ddbd17f6c9c5d9a7879fb225a6f0bbe0c9a45a1498c2f09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14542 | 17168 bytes |
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