Malicious PDF — malware analysis report

Static analysis result for SHA-256 d301d06b0847102e…

MALICIOUS

PDF

45.8 KB Created: 2020-08-24 21:27:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 870c08ca34f213b05bc2ac9767bd4aaf SHA-1: 69b9b4969837fb2c2da91d0c5379b08ae95a3d12 SHA-256: d301d06b0847102e484e4f495a03932122dd1d6ba5ce77d184213b1a709ea6bc
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=play+store+android+auto'. This URL is presented within the document body, disguised with a lure related to 'Play store android auto'. The file also exhibits a PDF link farm heuristic, indicating it's designed to distribute multiple links, with many pointing to Shopify domains. The primary malicious IOC is the ttraff.ru redirector, which likely leads to further malicious content.

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=play+store+android+auto
    • http://files.callegarihorses.com/uploads/1/3/1/4/131452867/zepavifu-xawafuponegebu.pdf
    • http://files.houseofbellator.com/uploads/1/3/0/8/130814227/deduzaxilusixom-vuxulatepojo.pdf
    • http://pevazibin.lcandlepress.com/uploads/1/3/0/7/130776082/deserivum-vajikijirixa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wiwatubaj.pdf
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/sikemasewedelekesuvir.pdf
    • https://cdn.shopify.com/s/files/1/0434/5331/7272/files/americo_castro.pdf
    • https://cdn.shopify.com/s/files/1/0437/9826/6016/files/equipotential_lab_report_conclusion.pdf
    • https://cdn.shopify.com/s/files/1/0438/4073/3341/files/jewojepaneseriruraxulu.pdf
    • https://cdn.shopify.com/s/files/1/0447/2622/3001/files/economic_history_of_asian_tigers.pdf
    • https://cdn.shopify.com/s/files/1/0429/8099/9321/files/tavumewuwemaxisum.pdf
    • https://cdn.shopify.com/s/files/1/0435/2226/1143/files/vigabotipafulu.pdf
    • https://cdn.shopify.com/s/files/1/0428/8489/0790/files/jalurisepoguwopibepot.pdf
    • https://cdn.shopify.com/s/files/1/0432/6536/0034/files/draconic_template_d_d_3._5.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_off00007660.bin
6edd91b9185b9bd61388c8b22214e85dc03cac6b7bc12d0860bec25850d0ba2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7660 4924 bytes
font_01_sfnt_off0000872c.bin
9a4ee63ac2c5b373294f98b1cd7b2c80bed7c03e4a552412b64fcfdb1edbe097		 pdf-font-stream PDF embedded font (sfnt) at offset 0x872C 10316 bytes

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