MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://nekazexupogufeg.weebly.com/uploads/1/3/1/4/131454238/7453998.pdf.
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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://druttle.ru/wix?keyword=imei+number+changer+apk+root PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409797/normal_601ad9899c3cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463808/normal_5fd12714f27c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408180/normal_601d68bfa1b67.pdfIn PDF document text
- http://copyrighthelpptteam.com/88987697153bbsgn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407084/normal_5fc7353703fcc.pdfIn PDF document text
- https://nekazexupogufeg.weebly.com/uploads/1/3/1/4/131454238/7453998.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372377/normal_5ff59fcab3372.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377391/normal_6025dcac105ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zamuriza/automatic_car_park_barrier_system.pdfIn PDF document text
- https://s3.amazonaws.com/zubata/xigapela.pdfIn PDF document text
- https://s3.amazonaws.com/zaxefemebidaz/pezefawadizozinibawi.pdfIn PDF document text
- https://s3.amazonaws.com/sesafefanulokam/puvexodirig.pdfIn PDF document text
- https://s3.amazonaws.com/jebupofedijakuk/povuxuvifukawado.pdfIn PDF document text
- https://s3.amazonaws.com/suzujewa/dymo_labelwriter_450_setup_guide.pdfIn PDF document text
- https://s3.amazonaws.com/niporofez/offline_3d_games_free_for_pc.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dafe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFE | 5276 bytes |
SHA-256: 282fdf09e7f75770dca1581f599ee05311d6cd8f43eea7b2d86f2e414a506b26 |
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font_01_sfnt_off0000ecc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC6 | 10212 bytes |
SHA-256: 0d713a3e3df2a7b85e4ff8ec4d1c953483f7dd06964addf05bc6e5b3949b2190 |
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