Malicious PDF — malware analysis report

Static analysis result for SHA-256 b60b6c246bbdc01f…

MALICIOUS

PDF

44.9 KB Created: 2020-08-26 06:46:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 704526835fbd92f441eab5018218db9c SHA-1: 9328cd99fde50d4ec3b763a05174b2aaaf179f3c SHA-256: b60b6c246bbdc01fce3f1535a6442c890273ef7f86d82314018fdb3c0a77d156
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure related to 'True market value of car' and embeds numerous links. One critical heuristic identified a link to a known malicious redirector at ttraff.com. Another heuristic flagged the PDF as a link farm, with many links pointing to Shopify domains, likely for obfuscation. The document body, though heavily obfuscated, contains the primary malicious URL, suggesting the intent is to redirect the user to a malicious site.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=true+market+value+of+car
    • http://telolog.caninesoncue.com/uploads/1/3/1/4/131453133/falogetorolofuk_fakename_towifoka.pdf
    • http://pakured.marygoldsteinpt.com/uploads/1/3/0/8/130813612/6438007.pdf
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/8374852423.pdf
    • https://cdn.shopify.com/s/files/1/0435/2399/7856/files/pinagowurajipejit.pdf
    • https://cdn.shopify.com/s/files/1/0433/3505/7559/files/caricature_apps_free.pdf
    • https://cdn.shopify.com/s/files/1/0434/3988/2402/files/harpsicle_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0433/3617/1679/files/13163021239.pdf
    • https://cdn.shopify.com/s/files/1/0428/4288/2215/files/sevimemafolibafutizer.pdf
    • https://cdn.shopify.com/s/files/1/0432/3953/8851/files/python_convert_png_to_jpg.pdf
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/roblox_robeats_script.pdf
    • https://cdn.shopify.com/s/files/1/0465/0634/4606/files/58037201636.pdf
    • https://cdn.shopify.com/s/files/1/0428/3983/4791/files/distress_tolerance_skills_self_soothing.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007158.bin
ba93079b0f314487236f45821defa4c7df519027a9422efa94439245d999597d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7158 4924 bytes
font_01_sfnt_off0000820d.bin
167b9c0ad25be95fb910513e5a419a2be2735f34df9c4c3b09b7d85afd612aa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x820D 10944 bytes

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