Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdd42f13de6a2cde…

MALICIOUS

PDF

49.2 KB Created: 2020-07-28 21:55:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5779c1fd46d218407e3865dc724ab5eb SHA-1: e7f3e23da43769ce110fd23d6597fe7118f72112 SHA-256: bdd42f13de6a2cde105d3a6a7a91955a1246cd4204510333810b6259eac6c206
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding numerous external links. One of these links, 'https://ttraff.ru/pify?keyword=also+sprach+zarathustra+pdf+strauss', is flagged as malicious, suggesting a redirection to a harmful site. The presence of many links, including those hosted on Shopify, indicates an attempt to distribute malicious content or conduct phishing operations.

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=also+sprach+zarathustra+pdf+strauss
    • http://files.ironpanjapanesekitchen.com/uploads/1/3/1/4/131406202/5c9b9acffa56.pdf
    • http://files.knowyourbusinessplans.com/uploads/1/3/1/3/131384300/cc507e90ff5c.pdf
    • http://files.murphybocce.com/uploads/1/3/1/8/131857758/08f34ef512302.pdf
    • http://files.murphybocc
    • https://cdn.shopify.com/s/files/1/0431/6836/6760/files/serigadubonel.pdf
    • https://cdn.shopify.com/s/files/1/0431/7079/1573/files/satodexolunakaj.pdf
    • https://cdn.shopify.com/s/files/1/0438/2762/6134/files/kodofonipofuwo.pdf
    • https://cdn.shopify.com/s/files/1/0431/4388/9058/files/lopotawexevujepemonale.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41877136991.pdf
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/kesitefuvibetebegize.pdf
    • https://cdn.shopify.com/s/files/1/0429/5111/4908/files/sugolexenelubolija.pdf
    • https://cdn.shopify.com/s/files/1/0434/0459/1255/files/35672731056.pdf
    • https://cdn.shopify.com/s/files/1/0437/6428/5598/files/pufunewanunazimimume.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/vewulalututo.pdf
    • https://cdn.shopify.com/s/files/1/0434/3509/8264/files/37202237676.pdf
    • https://cdn.shopify.com/s/files/1/0432/5765/9547/files/34627615336.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_off0000820b.bin
287358b1c6d731d4c30018edccae80d7df81c7a3f23330ae613639cb6e116778		 pdf-font-stream PDF embedded font (sfnt) at offset 0x820B 4892 bytes
font_01_sfnt_off000092c8.bin
7c4bff8950b0868287d6b36043456677a7845fe59adaa758c97c0934eb6982fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92C8 10780 bytes

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