Malicious PDF — malware analysis report

Static analysis result for SHA-256 2710936f5d13358a…

MALICIOUS

PDF

40.8 KB Created: 2020-08-04 14:13:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55eefca05b5f83d75db9575e5954adbc SHA-1: e42ef6617814bae5debea5051f0ca7b9c8a3a30a SHA-256: 2710936f5d13358a5927de2b387c2ef60d1e9b7a762ff32f92c2b7a7714ac9a6
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=ultimate+history+of+video+games+pdf'. This indicates an attempt to redirect the user to a malicious site, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains this URL and numerous other Shopify URLs, suggesting a link farm or content-luring tactic. The primary attack pattern is a lure to a malicious redirector.

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.ru/pify?keyword=ultimate+history+of+video+games+pdf
    • http://files.cyclingcatalonia.net/uploads/1/3/1/3/131381602/e20cbdc.pdf
    • http://likoz.thiruvizha.ca/uploads/1/3/1/8/131871699/ca78225cdfc3.pdf
    • http://mikuru.vmhair.co.uk/uploads/1/3/0/7/130776611/fisoroluxivu.pdf
    • https://cdn.shopify.com/s/files/1/0435/0833/4744/files/50077695971.pdf
    • https://cdn.shopify.com/s/files/1/0430/6649/1041/files/el_silencio_y_otros_poemas_edgar_allan_poe.pdf
    • https://cdn.shopify.com/s/files/1/0431/6073/1803/files/wovox.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/53777468452.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1559/files/woginizowafir.pdf
    • https://cdn.shopify.com/s/files/1/0451/1321/3093/files/declare_pointer_c.pdf
    • https://cdn.shopify.com/s/files/1/0431/7108/6485/files/86595153970.pdf
    • https://cdn.shopify.com/s/files/1/0433/1218/5499/files/20474615007.pdf
    • https://cdn.shopify.com/s/files/1/0439/0558/1211/files/vevawobatinomet.pdf
    • https://cdn.shopify.com/s/files/1/0432/0506/6913/files/68841670776.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_off0000601d.bin
a3b26a64d720ce81b7ad63b863c24c241c40f1ca94837042cf9a0f1c686f50a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x601D 5608 bytes
font_01_sfnt_off00007315.bin
59735f74187fa84552c7a37e49e1573fb986d0fcbcf8c6928b211bee192aa423		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7315 10344 bytes

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