MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to compromised or disposable hosting, suggesting a phishing or malware distribution attempt. The presence of numerous external URIs and the nature of the hosting indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 http://kimsanghun.com/upload/userfiles/file/2021923346206881.pdf In PDF document text
- http://indianamartialartsfitness.com/flash/indianamartialartsfitness.com/file/3458815768.pdfIn PDF document text
- https://coil.hk/upload/files/16968526459.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/29885hecumfsce56get0gdup5q/nuxep.pdfIn PDF document text
- https://budgetparking.ca/admin/uploads/file/67626218585.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d590659aa4---nomufu.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16158e652b0ca0---22441922972.pdfIn PDF document text
- http://envigest.cz/upload/file/xajolafinatovoda.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/28420100232.pdfIn PDF document text
- http://asremajazi.com/uploads/files/54574832381.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202110010349430355.pdfIn PDF document text
- http://wjcopy.com/upload/files/95323310282.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/pusunekawaduwalovigepise.pdfIn PDF document text
- http://logenamerica.com/userfiles/file/53255655658.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/betagotakep.pdfIn PDF document text
- https://turkeyinsurance.info/images/file/82350586814.pdfIn PDF document text
- http://charontrade.hu/data/file/14895956299.pdfIn PDF document text
- http://rentaruedas.com/files/others/151746598.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/48131264358.pdfIn PDF document text
- http://barsugo.com/ckfinder/userfiles/files/pakurakeruwigugutef.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/nivavidonupow.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613984918247a---34365504524.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/b79a3273e31ad9312548355938b262e2/80544357901.pdfIn PDF document text
- http://www.vikingmaterials.com/img/66258364483.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=principles+and+prevention+of+corrosion+2nd+edition+solution+manualPDF 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_off0000afaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFAF | 15296 bytes |
SHA-256: a65833e63e90a4a1f9049821aacdfa737e1a6d5ebe9ff63e5fb25a7367435c7a |
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font_01_sfnt_off0000d668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD668 | 11068 bytes |
SHA-256: 1ede9136b291970d0ae86e0ff4d8ae29f991c134e4a04eb84958398d7d4787f5 |
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font_02_sfnt_off0000f03f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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