MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress upload storage, suggesting a phishing or redirection scheme. The presence of numerous unknown URLs further supports this, as they likely lead to malicious content or further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/qtievm6a6bo9g5edkipj3aiaun/farixenegekexusu.pdf In PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78596e2009---milifotaj.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/d5bd1dfd9c513544d4c18385e5f0a6d2/37566505538.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/a23db6121eed1a51bdff5a3681d6b887/pigebuzumelofiserelafut.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/7788050203.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/32363117908.pdfIn PDF document text
- http://petukmahaaaraj.com/userfiles/file/33266164839.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/44120130123.pdfIn PDF document text
- http://jjinline.org/file_upload/file/44050211991.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///8647069866.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/e938fd6e495a874b7bdd1f66ba897e2e/puterefadavora.pdfIn PDF document text
- http://jp-cable.com/d/files/wowusolomosogak.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/27568988709.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/a624950fdb2a1331134e5b5ae80089a8/72793626047.pdfIn PDF document text
- http://chinocorporatechallenge.com/clients/6216/File/72132386248.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/d5799d18f2363f06a5094b9b956aa4ab/jisijebamegumejoxeso.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/ripof.pdfIn PDF document text
- http://teenmag.cz/userfiles/file/wigidilud.pdfIn PDF document text
- http://go-pxl.com/uploads/files/xoxoxopubiru.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace66ac93f1---suwaw.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/8112225529.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/xinuvujiwusulitut.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5ea0b4280---59359296582.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/drrd8e6jfkgqfl9lpihdhp8f3b/17205363590.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=red+riding+hood+poemPDF 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_off00016ec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EC3 | 19060 bytes |
SHA-256: db7e5533df1eca1ca85ee4f1c0faf8c488f813c96f74437278e56f04f936f8ab |
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font_01_sfnt_off00019f63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19F63 | 10408 bytes |
SHA-256: 31f59809d3a81f16bfcd5c04507a2960c0eb84d0cdea2782df3bd1d77150732d |
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font_02_sfnt_off0001b66b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B66B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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