MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. While no scripts were explicitly extracted, the nature of the URLs and the detection suggest it may leverage embedded PDF features or exploit to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://transcash.com/ci/userfiles/files/subekuz.pdf
- https://aawyx.com/sites/default/imageuser/file/jamafag.pdf
- http://marketypik.pl/zdjecia/fck/file/76582366954.pdf
- http://z-i-f.ru/userfiles/file/ralejawi.pdf
- https://systematix.pl/userfiles/file/63673217007.pdf
- https://amrapalispot.com/userfiles/file/1264570733.pdf
- https://al-farh-iq.com/upload/userfiles/file/javawakevilu.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607faae6b0baf---wasixanusipamuxabifefuteb.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/dbb5f30717a1f88a08b5de9df764c600/19731641777.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851dbc83876---97082396356.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/20vts7cdsaslb2ke3q8jmmrcis/94230063801.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160744f5778067---10798599684.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/84618f0a9bcd179d8e3423a8ca57efc9/robakatogo.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7477030c5---wiserazudozuzilimala.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccde94b66e---bedekum.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/qrcudc53u1lvp1ou0kffoqbud2/wapepixusarowo.pdf
- https://x-software.cz/data/file/pugudeturop.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/uchvtkvtr60nnvvj5vnuqm43eg/datilaxuzogagofi.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160becd10792c4---lokulunupuxefaxu.pdf
- http://sys-svinding.dk/userfiles/file/lufedinor.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078093d4aa53---xipinajiroxuguzowuj.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8afd86bef797c4e55b1be4850b4f0d40/14563465375.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/k8otc5aneuaipblpomue9brsqs/65992975491.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094dd3e48cc5---deregewamasinubozugiwumid.pdf
- http://lakesideterracecondo.com/clients/41361/File/77283657477.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=video+streaming+industry+analysis+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_off0000ec4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC4C | 16792 bytes |
font_01_sfnt_off0001045e.bin9a990d2bd1e66761d76993db1d92f9d333c039b893418869099551d4ecd57009 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045E | 16988 bytes |
font_02_sfnt_off0001307e.bind144a8f8f9ebd00d3801391841b1b49490eceae0731062289657ba56ef0fddb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1307E | 11024 bytes |
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