MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the presence of embedded URLs and the heuristic findings point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/2572096040b78336d1a98c614d864b82/66829117368.pdf In PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3a2570241---46569421251.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160775a3eef783---jilegagawazovuta.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/luhhrjspg3i6q289s4c22rd4v6/14288060607.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a127b6be---2000108612.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070384aa41ac---polamopajigomirebupo.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087f29d97931---zimewof.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081628dabd26---40409792274.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079734497176---69100724712.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088292c5504c---40303639417.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079066220b53---93228527491.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/3kph9kqdm5d1tmlch53i95lm71/17075772077.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa44fe3aea---68230269167.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/fmhirembcq5mtkqm53e66btd7v/vijugugitegub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=charles+tyrwhitt+size+guide+cmPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD756 | 5500 bytes |
SHA-256: 7f6d84b497343d96675a107a871df809abdcaf94305910969252181e3dfc4cfb |
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font_01_sfnt_off0000ea01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 10876 bytes |
SHA-256: fd38abbece85a302179f65f91f37c586f91046fc6df5110ed033bada2f97be31 |
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