MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan. The file functions as a link farm, with numerous embedded URLs pointing to various websites. Several of these URLs lead to compromised WordPress upload storage, indicating a potential distribution point for malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://krisoc.ru/uplcv?utm_term=what+can+you+see+on+a+private+instagram+account PDF link annotation
- https://bloomland.com/sites/bloomland.com/files/texutape.pdfIn PDF document text
- http://balalajka.nu/media/gifaviwusuluf.pdfIn PDF document text
- http://amindoost.ir/images/upload/files/45802562607.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa39f023e---tifegupoxiwadutuk.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/nofosixukubufawu.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/15699082906.pdfIn PDF document text
- http://contactfm.be/userfiles/files/notikividugano.pdfIn PDF document text
- https://yellowmangocafe.com/userfiles/file/lamip.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301bda5e44d---27738591637.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/91524687324.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/54978391944.pdfIn PDF document text
- http://baocaosuhoatoc.com/luutru/files/jowiguxurosoretugixenox.pdfIn PDF document text
- http://rrarental.org/upload/file/rafeguxapo.pdfIn PDF document text
- https://kamarkosong.com/contents/files/nowiwudus.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/e164261fe98103a0beb71eec3c9fc3e2/fexivekevoluvited.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/wojoxarojitazabir.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f49cc68d81---59356029379.pdfIn PDF document text
- http://egitara.com/upfiles/files/fanunefit.pdfIn PDF document text
- http://tomboy2.com/images/library/File/74336226137.pdfIn PDF document text
- http://blccy.com/userfiles/files/13526989253.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613767c26cd1d---rovojajodoretinitoxigedi.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109041150563404.pdfIn PDF document text
- https://bandotrading.com/uploads/file/ziranavix.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_off0000b542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB542 | 11048 bytes |
SHA-256: e90de0e1c8f5f11a330ccff21c0d77938f635c5f8543d26e4def67f6b1f9a1e0 |
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font_01_sfnt_off0000cee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FB | 14896 bytes |
SHA-256: 912519c4fafb3b725acb5b22f85cc99affd140ba57e17cb7531d03dccf7144c5 |
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