MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly supports its role in directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ketchas.ru/uplcv?utm_term=what+does+transparent+mean PDF link annotation
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/3b8b3574770933645388eb2450b350c3/18280055098.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/db8a09a4b31cc396e99465d832947984/88752355433.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/rutijige.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d98c13b984c---74931453161.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/hisuiuusus7hq62j86v7c076eu/60551280447.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087487d28190---loweleve.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/8f06072d659aad9a021521feef997a2f/79499129063.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/30306976682.pdfIn PDF document text
- https://businesslife.com/content/files/bunowivobuwizesa.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/gkh04eam7bt4id3mpiaif2eh84/boveloloba.pdfIn PDF document text
- https://pcstaiwan.com/ckfinder/userfiles/files/68589569809.pdfIn PDF document text
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/561ef4c92314d25c68d91d4273c28503/givisudejejabemifav.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/sinfirann3dn520aeluott11aa/xorulikojakurudadonuzewu.pdfIn PDF document text
- http://marty-triple-m.ch/inhalt/files/xopuzigakolo.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/62885857499.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88e8e5b8bd---vareguzodipenibazedepivam.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608af0b94a8ed---39211206183.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a744188b6c8---wagodos.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/s5jo2ut1vg1fq9ooc538bqq89u/54423904765.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/9fd10fa962478c62abb5e2a3f93204e3/nalegogimig.pdfIn PDF document text
- http://www.ks-zahnarztpraxis.de/upload/files/sumenobatonuteg.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/mewivoke.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/xuwuwaruvizanibiv.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/ak7r4bqt7o77hgrul1b3eds0p7/lebisofonomuv.pdfIn PDF document text
- 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_off0000f8ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CE | 17168 bytes |
SHA-256: f1cf0864ece9ce3dc7d39720850359f0e263b3cf171d84824f9d01332402e25a |
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font_01_sfnt_off00012573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D8A | 10512 bytes |
SHA-256: 8d9d99d6d5e1e2939edece86c9601ac9aafd51cb8c69281fc67b5859c4832e2d |
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