MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting, which in turn host other PDF files. This suggests a multi-stage attack where the initial PDF serves to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://gencerenerji.com/resimler/files/zijuzevaw.pdf In PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097888925ce2---98714983257.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/r3ngbham3k3ml6aqpbthjas52u/duwefixik.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/8d0b0b237847c4449155973a1183a9b4/joguduteximol.pdfIn PDF document text
- http://staropolski.net/Upload/file/fikopabutogavejupe.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717bf192c75---xulup.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/540eb18fe6d1ef1db96e683954214860/17624891741.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/povpe48glfn92e8dsr4rjlggtr/kenezup.pdfIn PDF document text
- http://wami.cc/data/files/70241940503.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/26226464414.pdfIn PDF document text
- http://etasystem.net/userfiles/files/bavizijagu.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cbe902334---63322296375.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/20612095166.pdfIn PDF document text
- http://kanstm.com/ckupload/files/41446880470.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/15936749490.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abb0f89d38d---vejitoreti.pdfIn PDF document text
- https://gretajensen.com/ckfinder/userfiles/files/nokafebe.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078d44f45550---xorolimenu.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/54067590270.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b8a21dd6b---24942612505.pdfIn PDF document text
- https://notrepanierbio.ch/userfiles/file/56877919183.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b11540be3ca---ruzobigidiguzene.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/4708e8c82fefcb8d2dc740b0c35cacf5/80776436834.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+the+difference+between+warm+and+cold+blooded+animalsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB76 | 21124 bytes |
SHA-256: fd1df4cc2b8eedaf20495a9f82f71ab9b8f40ec3c233bbf1040bf3a44ee8eef1 |
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font_01_sfnt_off000122a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013abb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ABB | 10960 bytes |
SHA-256: 6a95f6e0235a5b2ed6cafcf8e490267c46734f6a8e1160d26912c9f0ab806a55 |
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