MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document functions as a link farm, containing numerous URLs that point to external resources. Several of these URLs are hosted on compromised WordPress sites, suggesting a tactic to leverage legitimate but compromised infrastructure for malicious distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://tucholainfo.pl/userfiles/file/jofipavemebazuxesix.pdf In PDF document text
- http://honda-vo.com/upload/file/rupenapogodekidewebirev.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/87548228360.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613057a41255f---50110003512.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/6983386338.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613645fe1b199---xazorimidejewiturekogi.pdfIn PDF document text
- https://tavio.ru/files/file/91487923529.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/58614969698.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613607dfe5843---nuropo.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613b277197335---wedavoxapugegorim.pdfIn PDF document text
- http://cameralehiep.com/hinhanh_fckeditor/file/93920160064.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/42572032986.pdfIn PDF document text
- https://aqualibramontois.be/fckdownload/file/xisomaravofuwi.pdfIn PDF document text
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/13669811896.pdfIn PDF document text
- http://marinaxaraes.com.br/ckfinder/userfiles/files/63894645082.pdfIn PDF document text
- https://xnkvinatimex.com/uploads/files/898520720.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/semofag.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/45027427515.pdfIn PDF document text
- https://websbag.com/uploads/files/joxukenadejufigitoka.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/63467473774.pdfIn PDF document text
- http://karthikeyanjayaram.in/userfiles/file/zififilewumelusukaf.pdfIn PDF document text
- http://juditphotography.com/picture/userfiles/file/bifakejezapobin.pdfIn PDF document text
- http://fishingas.com/userfiles/file/28617937599.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7149ac06bd9992aa259c5b960616a6b7/dopupivugimumetokiwemi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=3.5+spell+compendiumPDF 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_off0000d786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD786 | 17888 bytes |
SHA-256: 3b700b7083783cc6e471b2c49ac29caa3b1394161abb0d5d7e071368b2399cc4 |
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font_01_sfnt_off00010655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10655 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6C | 10692 bytes |
SHA-256: b45a9047ef1f8d0f57bca46239c6dcd57f8d8f45cf303a72b2b49dd3ee1f61bb |
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