MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised or disposable domains, suggesting a link farm designed to redirect users. Heuristics indicate the PDF is a link farm and contains external URIs, with ClamAV detecting it as a phishing trojan. The ML classifier also flagged it with high confidence. No scripts were extracted, but the structure and URL distribution strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/lom3f9lruc3qp565ck5a81f1kt/rajoriwopunazaranonu.pdf In PDF document text
- https://radiosmile.hu/upload/file/94618490864.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e70576c599---fobixopalived.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/lomodozogaxenumuxapibu.pdfIn PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/kezofaxukidurugipuraxonaw.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608c75ea40bf6---limazifuxugabuw.pdfIn PDF document text
- http://bethtikvahevents.ca/clients/2/20/20a91c0cb94b02964b0d1c5d980f1596/File/wojopododav.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f7fee6c9d---xapipibofosesutafavora.pdfIn PDF document text
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/69932422024.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/1500795558.pdfIn PDF document text
- https://binhvi.com/upload/files/gijidaregavafubogenul.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4f0b2d499---83936230223.pdfIn PDF document text
- http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/sufuvukerotowuza.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/misafidukegefejapoma.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/0535b433b6ce2ec0d52be3d5029c546a.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/47247134179.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092f0cb2984d---medominofizowofaluvesezix.pdfIn PDF document text
- https://fishboat.hr/files/243561294.pdfIn PDF document text
- https://amursvoidom.ru/media/files/32752681744.pdfIn PDF document text
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210723064710.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095314d4fb07---92843691204.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160883789c0922---lurirenuvipafikejaxajul.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/80322541980.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160818233b080f---22809885333.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=minor+medical+consent+form+pdfPDF 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_off0000dc15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC15 | 17400 bytes |
SHA-256: c90d226e087f7131005510f621d3acdf7d2106eea80a0a6ea4cc605972d12efb |
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font_01_sfnt_off000108b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B6 | 10772 bytes |
SHA-256: 328d61f0da26387a19bf730fd8b1ce8a64c74d711c819bf4de878e11dc3f4d0b |
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font_02_sfnt_off00012176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12176 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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