PDF malware analysis — malicious · 70b9c646a725894c

MALICIOUS

PDF

68.0 KB Created: 2021-06-06 21:13:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b2df3526490b7a096d31057697f02d5c SHA-1: 7f7f1063a011f68156fd451f2cd901161f77fa4a SHA-256: 70b9c646a725894c77ab6621afd46486af2c58385fdbd70aea09f032b442084c

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were directly extracted, the presence of external URIs and the overall classification suggest the document is designed to trick users into visiting a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9166

Heuristics 3

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
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://queure.ru/pbw?utm_term=how+to+start+painting+with+acrylics
- https://static.s123-cdn-static.com/uploads/4389830/normal_5fe1183e7bd98.pdf
- https://static.s123-cdn-static.com/uploads/4455381/normal_5fdd116d39bca.pdf
- https://cdn-cms.f-static.net/uploads/4384323/normal_603bb9fc7bb9a.pdf
- https://static.s123-cdn-static.com/uploads/4412775/normal_5ff64c03207b8.pdf
- https://static.s123-cdn-static.com/uploads/4379602/normal_5fe08955d0214.pdf
- https://cdn-cms.f-static.net/uploads/4404123/normal_60546d0d204e7.pdf
- https://cdn-cms.f-static.net/uploads/4412890/normal_60585d5789e24.pdf
- https://cdn-cms.f-static.net/uploads/4365601/normal_5fe6bc53027c0.pdf
- https://cdn-cms.f-static.net/uploads/4416796/normal_60473609c9a56.pdf
- https://cdn-cms.f-static.net/uploads/4394077/normal_5fe9a290906c0.pdf
- https://cdn-cms.f-static.net/uploads/4385647/normal_6069789bc9e65.pdf
- https://cdn-cms.f-static.net/uploads/4471995/normal_602eff3bd1636.pdf
- https://cdn-cms.f-static.net/uploads/4489853/normal_6039f9f965f6c.pdf
- https://cdn-cms.f-static.net/uploads/4428078/normal_603b2cae0ef18.pdf
- https://cdn-cms.f-static.net/uploads/4380210/normal_60b9167631a0a.pdf
- https://cdn-cms.f-static.net/uploads/4379384/normal_6044d36804562.pdf
- https://cdn-cms.f-static.net/uploads/4392877/normal_6061012d56e70.pdf
- https://cdn-cms.f-static.net/uploads/4366319/normal_6043272dca46a.pdf
- https://cdn-cms.f-static.net/uploads/4488335/normal_605300f2cad94.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://gifavipa.pbworks.com/w/file/fetch/144418230/29147165691.pdf
- http://degagogo.pbworks.com/f/patterns_of_world_history_volume_1_4th_edition_ebook.pdf
- http://kigemulu.pbworks.com/w/file/fetch/144538464/uniden_800_mhz_300-channel_base_mobile_scanner_bc355n_manual.pdf
- http://zubipuwaf.pbworks.com/f/21769019862.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dfb3.bin` `8cf55c78dc7589ecac91fe1d38f3349801b24cdde6a4ea3484f0fabb93b2adb0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFB3	5352 bytes
`font_01_sfnt_off0000f1fa.bin` `747693072f28bda31c77563ee62f5d77a54c042a7bb36fe89b28c2b36ee51ed7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF1FA	10200 bytes

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