MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/51679768434.pdf In PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/86405009574.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/87843445091.pdfIn PDF document text
- https://bruceautoservice.com/files/file/58976009271.pdfIn PDF document text
- http://adria-ex.com/images/blog/file/29632774135.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/powus.pdfIn PDF document text
- http://holland-ex.com/images/blog/file/famarudogazurizatobepo.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/46aj7r3pataeh0p9q8mmmhu6k2/rejewuwuxipafebabuz.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ade495f76---48831648143.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/jasojuwafubibowalo.pdfIn PDF document text
- http://inspeq.eu/public/files/morunup.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614432861b1bf---70332092050.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210911212454.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/niderujexoraxowuwoful.pdfIn PDF document text
- https://feldmann.pl/userfiles/file/lotubugigusaxabavukave.pdfIn PDF document text
- https://turasmobilya.com/img/editor/image/file/xefanowixokef.pdfIn PDF document text
- https://xylemleads.com/userfiles/file/18211291993.pdfIn PDF document text
- https://artistaone.co/userfiles/files/33865105717.pdfIn PDF document text
- https://specializedfacilitymgt.com/public_html/userfiles/file/7667255577.pdfIn PDF document text
- https://oferta.lt/i/File/9761360358.pdfIn PDF document text
- http://archpiudue.com/userfiles/files/tepudesoju.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+install+playstore+on+android+boxPDF 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_off0000cf69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e77b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77B | 18428 bytes |
SHA-256: 9cda8d0fcc26ff08c772a94757f89892e809c16fae0de3045479f1cf590dac14 |
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font_02_sfnt_off000116f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F4 | 10820 bytes |
SHA-256: 2e86304f2de6d4962e36cbd035a86088c70c24b82477363bf3459ed22a67a77d |
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