MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is often used to initiate malicious actions or redirect users. The heuristics indicate the presence of a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting an attempt to obscure the final malicious destination. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a phishing or trojan distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/6050c227378a6cc276a93c660c890c71/22852072038.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/48320ec293fd5434aebed8507ef0e820/zemofejitazajofejit.pdf
- https://greenvalleykerala.com/ckfinder/userfiles/files/voxexaporap.pdf
- http://myapartment.de/web/editor/files/folikop.pdf
- https://www.myosiaffiliate.com/199trust/img/file/bugesusiwudirizavamaralot.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089597590444---minotuzumodazafojejabuzo.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082e2950f7c1---lobirumukeluravoko.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ae56292798b---ragikerug.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/e937616936b17fa5fbf3c4ad264bfa57/sevafezotofuxawofanezi.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/e8cee3361249531816a87ed859f71890/27193881250.pdf
- http://dianacb.cz/userfiles/file/ridomenegerosi.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160958bce2c20d---38153764144.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/10455dda8eed102170843281342c0e41/xiridetalubopaxefunezi.pdf
- http://ototavandosemesi.com/resimler/file/98496920924.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708258a74e4---xazozujaxotagaka.pdf
- http://konferencii.org/js/ckfinder/userfiles/files/fonudekaluwuronevasiz.pdf
- https://vettercycles.ch/userfiles/files/wizugusamewuzozepox.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/5e98aa0b93b04a54fe0eae1def47502f/tafixinanijabof.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073447e566eb---92408342242.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1608715073937f---bowamumumesizixevozafu.pdf
- https://ludifrance.fr/userfiles/file/18617416696.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d93ac188a7---nelelotuxadibekilepir.pdf
- http://okuninka-biale.pl/userfiles/file/piselepowunoz.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/3p0dtrdanuru2lljffr8gfttk7/mizulisoke.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+make+pineapple+water+for+weight+loss
- 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_off0000f151.bin40a44e890de8ddd991fb0ea75440fc5aaf835a9fae49a6e5527f9231cde2dd25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF151 | 10972 bytes |
font_01_sfnt_off00010a92.bin677b0ab4f534d3981664502fc4139938582561c4d0eb33ce18e00f6abea46ae3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A92 | 16500 bytes |
font_02_sfnt_off0001357c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1357C | 16792 bytes |
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