Malicious PDF — malware analysis report

Static analysis result for SHA-256 92774d5b0134b37e…

MALICIOUS

PDF

33.5 KB Created: 2020-08-26 14:00:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6eecc30ed55c3bff325b81081ddfc3f6 SHA-1: c135d1ed3df5ed2d92bc3348211cd711e10873bb SHA-256: 92774d5b0134b37ef14e76bb15dd39be965eacd70deb107bd70e21ce4714d95e
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 pointing to 'https://ttraff.com/pify?keyword=powersaves+licence+key'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though partially corrupted, contains the same malicious URL and a reference to 'powersaves licence key', suggesting a lure for potentially fraudulent software or services. The primary intent appears to be redirecting users to malicious sites.

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.com/pify?keyword=powersaves+licence+key
    • http://files.outfitterswig.com/uploads/1/3/0/7/130776326/nobazafopixul.pdf
    • https://cdn.shopify.com/s/files/1/0430/7527/2855/files/rotavedububumojolopimig.pdf
    • https://cdn.shopify.com/s/files/1/0432/8977/2187/files/42157645135.pdf
    • https://cdn.shopify.com/s/files/1/0434/7396/1126/files/agglutinine_froide.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7616/files/39715082227.pdf
    • https://cdn.shopify.com/s/files/1/0431/0591/0935/files/bolne_wala_mike_karna_hai.pdf
    • https://cdn.shopify.com/s/files/1/0438/4620/5602/files/safagulowirera.pdf
    • https://cdn.shopify.com/s/files/1/0463/2834/8832/files/67420296414.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93867881616.pdf
    • https://cdn.shopify.com/s/files/1/0439/0502/4168/files/gaston_bachelard.pdf
    • https://cdn.shopify.com/s/files/1/0432/9386/8187/files/sky_driver_pro.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_off000044f7.bin
2b763d16623fe4d509b3bcb4668fa7f2473186bfe93abc878480f64dff7b2dd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44F7 5112 bytes
font_01_sfnt_off00005685.bin
0f3f2eedf43570092a71b4f9705ae53899d8a3f08fc1b401cd3447ccd8c93ff3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5685 10312 bytes

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