Malicious PDF — malware analysis report

Static analysis result for SHA-256 550ee46daef7d136…

MALICIOUS

PDF

33.5 KB Created: 2020-08-18 14:59:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6191322a09ff1548367707eb374af91d SHA-1: c272fd7c80d6a910a9dc8a419c568e1550d33627 SHA-256: 550ee46daef7d136107de16cc5e62889e54aa24c1da8aaa06503dd9d88e4d051
120 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for a malicious redirector link, directing users to a URL that appears to be part of a link farm. The document body, though heavily obfuscated, contains the same malicious URL and several other URLs hosted on Shopify and other domains, suggesting a content-luring or SEO-based distribution strategy. The primary malicious URL is https://ttraff.cc/pify?keyword=afterglow+xbox+one+controller+guide, which is likely used to redirect users 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.cc/pify?keyword=afterglow+xbox+one+controller+guide
    • http://girezafo.mazopublishers.com/uploads/1/3/1/8/131856080/9885688.pdf
    • http://files.cmc-tam.org/uploads/1/3/1/4/131438056/mikevuxogesewe_defofojusogezu_muxagamigik_kizedezudexilum.pdf
    • http://files.dmuenter.com/uploads/1/3/1/3/131381946/4811932.pdf
    • http://files.erasingculturalgenocide.ca/uploads/1/3/1/6/131636978/rolewugusi.pdf
    • http://files.tsipros.us/uploads/1/3/0/8/130874284/bezopos_topifukir_finogoxul_kaxutogojagamo.pdf
    • https://cdn.shopify.com/s/files/1/0428/5887/2998/files/55077737410.pdf
    • https://cdn.shopify.com/s/files/1/0429/2355/7030/files/sem_microscopy.pdf
    • https://cdn.shopify.com/s/files/1/0450/5636/0600/files/holy_bible_in_english_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/5936/3488/files/dfinition_de_l_analyse_swot.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/boruxunijutaki.pdf
    • https://cdn.shopify.com/s/files/1/0434/0373/9294/files/95878020816.pdf
    • https://cdn.shopify.com/s/files/1/0437/1467/4841/files/webpage_to_chrome_addon.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_off000046b2.bin
28bc5e6bb636ed4526e5310fd5a87f288f35fe7496d564270e979ad0d346cf4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46B2 5088 bytes
font_01_sfnt_off00005829.bin
bd905574bb20888890d469663c27f30cda868ec5b851865c9bb2d32f31875761		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5829 9808 bytes

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