PDF malware analysis — malicious · 79680403c95fde3a

MALICIOUS

PDF

135.8 KB Created: 2020-12-29 15:01:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a527b40de1d6bf9c2af56609b9aa7bda SHA-1: d54460a88764788915c7a6ca971edd6bb15df8d9 SHA-256: 79680403c95fde3ab0c1866e9f84ef1d4f09aa1a93feb3e2a8714b925c069fb8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'traffnew.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains text that appears to be a song title, possibly used as a lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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=my+heart+and+flesh+may+fail+song
- https://cdn-cms.f-static.net/uploads/4378618/normal_5f90664e88063.pdf
- https://static.s123-cdn-static.com/uploads/4472484/normal_5fd045edd2f00.pdf
- https://cdn-cms.f-static.net/uploads/4370267/normal_5f8976cf856bf.pdf
- https://cdn-cms.f-static.net/uploads/4413713/normal_5f97186a06c90.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/71a48e17-7923-47f0-a02d-233e4a9f6ee5/the_master_1992_imdb.pdf
- https://s3.amazonaws.com/zidenigad/manual_do_motor_agrale_m85.pdf
- https://uploads.strikinglycdn.com/files/2d4742db-a7cc-4952-b6b9-a064cb7293ef/vufoval.pdf
- https://uploads.strikinglycdn.com/files/7e20e5c6-250e-4ddc-ac68-5872186653e9/pokemon_blaze_black_2_gym_leaders.pdf
- https://uploads.strikinglycdn.com/files/10b7752a-4999-4757-a87a-948ef61bdc8e/10933760205.pdf
- https://uploads.strikinglycdn.com/files/c58df060-fb24-4405-9d14-ac6837560f6c/3d_archicad_libre.pdf
- https://uploads.strikinglycdn.com/files/4bfaa58b-9fd6-4158-a61c-17f7e4e36e88/25125517332.pdf
- https://s3.amazonaws.com/mejobu/beethoven_waldstein_sonata.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://www.geocities.com/mitra_anirban/hobbies.htmGNU
- http://www.gnu.org/copyleft/gpl.htmRegular

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001bb7f.bin` `5c540e736525327ec2d052d452ebf0e63deb17004e9f30e68064c455c8403348`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1BB7F	5428 bytes
`font_01_sfnt_off0001cddc.bin` `40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1CDDC	3720 bytes
`font_02_sfnt_off0001d93e.bin` `8027632f57d999f6b69bdc793cbe0c36a8a9b195213b9220197a0b78c06b4bd8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1D93E	19260 bytes

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