MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of embedded URLs, many of which point to compromised websites or link farms hosted on disposable domains. The document body, though heavily obfuscated, appears to be a lure related to 'pentesting tools for ubuntu'. No scripts were extracted, but the primary attack vector is the redirection to malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://smidgel.ru/uplcv?utm_term=pentesting+tools+for+ubuntu PDF link annotation
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700efdcc0b8---56884791375.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/49642002118.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/2cnqtbp55ijrb4gio1ht1s5hde/73242615886.pdfIn PDF document text
- http://adaviestransportltd.com/userfiles/file/37006483927.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b658d35125e---legufuxenojixafiku.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/kudovuwobuperid.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/joxedu.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/a258b42753ef853723c2fa0f25aaccd8/dimofe.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/72524006014.pdfIn PDF document text
- https://bharatbiodiesel.com/userfiles/file/41883287520.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/d6b2a9e1d4721c0b46ea6f910d571fce/66045064884.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de33d89a3f---27629990963.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/61287650413.pdfIn PDF document text
- http://beveragesgs.com/userfiles/file/52033373302.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/97b2c32266bbd76c1522e06fc26dcce1/nevefe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D4 | 4748 bytes |
SHA-256: 368b13ef0f9a23c9d6aee4729898131fab1e15643d9cd5b63f9b028bbc19081f |
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font_01_sfnt_off0000f705.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF705 | 10760 bytes |
SHA-256: 33a0ceef8b490f601f56fdeffa51a566c4f02cdec5533a28e653c102c9231a3a |
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font_02_sfnt_off00011bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC5 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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