Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a1a1bb417d8946…

MALICIOUS

PDF

358.5 KB Created: 2020-09-18 23:49:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61abf35baadc26d56ca77d6fe2589862 SHA-1: d693fc2c694ba3f76cbf118b850bdaf7c5ce36af SHA-256: c2a1a1bb417d89462195b6df15384495ed95da9fbc25888575dea7f91f3110cd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL 'https://ttraff.ru/wb?keyword=bandura%201989%20reference' is the primary indicator of malicious intent. This suggests the document is designed to lure the user to a potentially harmful website. Several other suspicious URLs were also extracted, further supporting the malicious classification.

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ttraff.ru/wb?keyword=bandura%201989%20reference
    • http://files.incident-services.com/uploads/1/3/1/1/131163832/varixumuromibo_jitifovunisop_perer_xuruz.pdf
    • http://rabemadi.orchid-avenue.net/uploads/1/3/2/6/132695569/481b2c1fd0b.pdf
    • http://besinefo.agentflamingo.com/uploads/1/3/2/6/132680813/9789628.pdf
    • https://cdn.shopify.com/s/files/1/0434/0934/2614/files/fallout_3_weaponsmith_achievement_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/0266/6906/files/jimozedupu.pdf
    • https://cdn.shopify.com/s/files/1/0431/8717/5588/files/harbor_freight_winch_mount_receiver.pdf
    • https://cdn.shopify.com/s/files/1/0428/3452/6375/files/96895742569.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9870/files/konofanigepivixogegi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1868/1496/files/38237491731.pdf
    • https://cdn.shopify.com/s/files/1/0432/9085/3541/files/cst_performance_suspension_parts.pdf
    • https://cdn.shopify.com/s/files/1/0437/4488/6945/files/safizakuvigevakupejesa.pdf
    • https://cdn.shopify.com/s/files/1/0481/6633/8727/files/pathfinder_style_feat_ranged.pdf
    • https://cdn.shopify.com/s/files/1/0434/0544/3237/files/piresa.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053914.bin
92cfc6038ad0f55b22707a51f4bf6ef55676c0f9067e33d2603141dd7c0b2728		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53914 5256 bytes
font_01_sfnt_off00054b0b.bin
7ec706a5deb397a01bf3706569a3beaad21c7d8f0e97a712999ada84316e225c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B0B 12652 bytes
font_02_sfnt_off000573ea.bin
4972c892cf783310df7ebe7a43044f7b4e4d650808add06809858f2f0e6eeb09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x573EA 16448 bytes

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