MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting. The presence of these links suggests the document is designed to redirect users to potentially malicious sites, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://archism.ru/uplcv?utm_term=cheats+for+call+of+the+wild+xbox+one PDF link annotation
- https://myvideoclasses.com/ci/userfiles/files/leletozigu.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/22361284588.pdfIn PDF document text
- http://erfaspot.com/resimler/files/45108527791.pdfIn PDF document text
- https://menu2uplus.com/images/file/54366174500.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/37905232479.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/c0ba9443cbc8a233ecc10d843e7e3acf/10444900895.pdfIn PDF document text
- http://www.naraihillgolf.com/admin/userfiles/file/2025361401.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/80140952253.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/50661551519.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/xejadejeruxibu.pdfIn PDF document text
- http://belovosushi.ru/files/7936495762.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614358ca65e50---wilatawimetagupavuleletak.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/23724165433.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/xufakutubesabubozu.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/rujukapowewotoduwoge.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/f2bd3157c0b8f387a0a88402ec9b69cf/50064214197.pdfIn PDF document text
- https://equalitas.es/userfiles/file/renumibutupa.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/84973675932.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614781228f9fe---27305726335.pdfIn PDF document text
- http://ourpreferred.com/userfiles/files/rimozaf.pdfIn PDF document text
- http://www.poliklinika-hb.cz/userfiles/file/sabebikokogege.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/vabobixowuguzamerevenet.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/deviwebeduni.pdfIn PDF document text
- http://familiehollander.nl/images/uploadedimages/file/37626184794.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/15884467108.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_off0000b227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB227 | 10932 bytes |
SHA-256: 606a693ba56305a68ecc9a83cbd5f9ac509fc0e6fda1f7bcd58d02cc46f58cf4 |
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font_01_sfnt_off0000cb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB88 | 18624 bytes |
SHA-256: 7f04c1d268b49c69f2b781cc4eaaf2eaa203fe4b1101e07ec43bd2af9c139c17 |
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font_02_sfnt_off0000f8c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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