Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2eb3a1a2c5391bc…

MALICIOUS

PDF

68.4 KB Created: 2020-07-31 14:02:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92cbe23b04da4f8199f2c795b50759cc SHA-1: 056b1f59f411d301e4586bb65fbfce4e28c4c94d SHA-256: d2eb3a1a2c5391bcd553ae4ca31944d17574c8df94f0297e37548d8d55de19ec
120 Risk Score

Malware Insights

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

The PDF contains numerous links, with one critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. This suggests a phishing or malware delivery attempt. The document body, though heavily obfuscated, contains text related to 'Alkanes and alkenes', likely a lure to entice users to click the malicious link. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • 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.com/pify?keyword=alkanes+and+alkenes+pdf
    • http://files.breakthechainfitness.com/uploads/1/3/1/3/131379049/1316a3.pdf
    • http://files.pioneerframeworks.com/uploads/1/3/2/7/132740595/450990939.pdf
    • http://files.northarlingtoncert.org/uploads/1/3/0/7/130775309/9982665.pdf
    • http://files.cherryvalleybowhunters.org/uploads/1/3/2/3/132303245/fc4a7.pdf
    • https://cdn.shopify.com/s/files/1/0434/8303/7860/files/66024519218.pdf
    • https://cdn.shopify.com/s/files/1/0437/2335/8358/files/63552804111.pdf
    • https://cdn.shopify.com/s/files/1/0430/2376/1571/files/57375167477.pdf
    • https://cdn.shopify.com/s/files/1/0441/2702/7352/files/xokopenetaduwuzelaxaf.pdf
    • https://cdn.shopify.com/s/files/1/0437/5507/7790/files/feminiganirufe.pdf
    • https://cdn.shopify.com/s/files/1/0441/1126/5944/files/91553897641.pdf
    • https://cdn.shopify.com/s/files/1/0431/9572/8029/files/53747002412.pdf
    • https://cdn.shopify.com/s/files/1/0437/3594/1285/files/roruxogotagaru.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fofigez.pdf
    • https://cdn.shopify.com/s/files/1/0437/3676/0485/files/58875730560.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pizejop.pdf
    • https://cdn.shopify.com/s/files/1/0434/6796/4580/files/xidatebem.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_off0000bbec.bin
83a30505dc38db216de037aa965801cb39e594c3bd222b200bfd216d9228d74a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBEC 4544 bytes
font_01_sfnt_off0000cb60.bin
92f51f1c9994dc575f9a0ec7dd1063218e0fcb426fae6e562aab26438cb499ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCB60 10412 bytes
font_02_sfnt_off0000ef26.bin
3d50f22d3ae6d9a4461c814f81554cc573a3512c555c2f223aedeeaca19cd658		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEF26 16080 bytes

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