PDF malware analysis — malicious · bc6d2dc988697368

MALICIOUS

PDF

71.5 KB Created: 2020-12-25 03:54:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 754b9339436f94a8ea0446174f523028 SHA-1: 77da54a542ff197906458012954b7c6a8c63a08c SHA-256: bc6d2dc988697368556d400b9b2449d366ac72ce1743110c854239f88ffb6945

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by multiple heuristics and a machine learning classifier as malicious. It contains an embedded URI pointing to 'https://traffnew.ru/123?utm_term=4c+iced+tea+mix+caffeine', which is a strong indicator of a phishing or malware distribution attempt. The PDF structure itself appears to be intentionally malformed, with duplicate object bodies, further suggesting malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://traffnew.ru/123?utm_term=4c+iced+tea+mix+caffeine PDF link annotation
- https://davavenetu.weebly.com/uploads/1/3/4/5/134500413/rodenel.pdfIn PDF document text
- https://felebovado.weebly.com/uploads/1/3/4/8/134889144/1226494.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369653/normal_5f8b3989d0cd9.pdfIn PDF document text
- https://cdn.sqhk.co/tamikoveken/qnvgfKW/99009986310.pdfIn PDF document text
- https://cdn.sqhk.co/fidapulano/Fj9jjEf/sixekalepavin.pdfIn PDF document text
- https://cdn.sqhk.co/pujapipiwat/6jdjiid/nodeluzalamejumezirutume.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/sefiwegegagu/keycard_guide_the_forest.pdfIn PDF document text
- https://s3.amazonaws.com/kopisigapub/beautiful_butterflies_hd_wallpaper.pdfIn PDF document text
- https://s3.amazonaws.com/wikurixobelu/63216976666.pdfIn PDF document text
- https://s3.amazonaws.com/kabisebax/fezofosozenu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9f1f6f0-3642-4127-87b2-3260f4627074/eden_elementary_school.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/mumu_emulator_mac.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_off0000db5e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB5E	4924 bytes
SHA-256: `dde9c95f7f61bf0844ffe9e581b02c1bcddb427169db3f8dff68061278b21df1`
`font_01_sfnt_off0000ec1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC1F	10904 bytes
SHA-256: `19712d63be1ac36ff8886d1b46abb16667961f1a405a32599192e336d214e49e`

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