MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution lure. The presence of multiple unknown URLs hosted on potentially compromised sites reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba90b8bed25---fuxabezokozomo.pdf In PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160959bea86b44---vowudi.pdfIn PDF document text
- http://gpmpoolandspa.com/ckfinder/userfiles/files/48782390258.pdfIn PDF document text
- http://belloverde.net/emailer/file/48251568900.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/21568861785.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/6b796u8349g0akt1bbugoq2ahm/vezaduxisemisovogos.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/87425529631.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/77388356294.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/saxikixezowefuguvutadu.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/96068224227.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5d9621236739d29aec82994fbed7d9e4/sipixatizojif.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/wepozaf.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/manakod.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/gonobudu.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607cf6b63b9d9---70048556516.pdfIn PDF document text
- https://yenhuy.vn/upload/files/degibako.pdfIn PDF document text
- http://bielwod.com/userfiles/file/gutakizejel.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d544319181---duredubedad.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/4hh6ocq7ir9llkshhgja8rq623/tileza.pdfIn PDF document text
- https://farstaslottsvik.nu/anvandarbilder/153/files/ninoxezepusi.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ua4novhaph238cgj8eib1m4p6i/98305872669.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=calculate+the+ph+of+a+buffer+solution+prepared+by+dissolvingPDF 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_off0000f0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FE | 11352 bytes |
SHA-256: 37d6c97a224e7ddb7ad82253e03adb3c4dc94a4603f15e0dde3082de8fbf5b27 |
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font_02_sfnt_off00012340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12340 | 17252 bytes |
SHA-256: fa0b1d84b2e33183f5659e056138a367df068d64a042beeac23642ab4737a7bc |
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