Malicious PDF — malware analysis report

Static analysis result for SHA-256 86fef6d140cd7b77…

MALICIOUS

PDF

58.3 KB Created: 2020-08-02 07:26:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7dd8a1ee906c861156f3c48257c25623 SHA-1: ac2a828049323d8b9c8d709e0f5b3548f8e250b5 SHA-256: 86fef6d140cd7b77916bb7fdbb564ae68c6de7b925964aa213e41e486baa4cae
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains a heuristic firing indicating it is a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=xbox+controller+buttons+names'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links to external PDFs hosted on platforms like Shopify. The document body, though partially corrupted, contains text related to 'Xbox controller buttons names' and includes the malicious URL, suggesting a lure to a potentially malicious or scam-related website. The presence of a callback phishing lure heuristic further supports the assessment of a deceptive intent.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=xbox+controller+buttons+names
    • http://files.premierbeachpropertymanagement.com/uploads/1/3/2/6/132683165/d0fa61b31b.pdf
    • http://files.sccottawa.com/uploads/1/3/1/8/131872087/tepukutunovekaw.pdf
    • http://files.richardsbeam.net/uploads/1/3/1/4/131437878/cdb0b459.pdf
    • http://files.richardskrishnan.com/uploads/1/3/1/3/131379671/3610602.pdf
    • http://files.valerie-beaulieu.ca/uploads/1/3/0/7/130739684/8278448.pdf
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/pefixut.pdf
    • https://cdn.shopify.com/s/files/1/0428/0811/5366/files/65014910449.pdf
    • https://cdn.shopify.com/s/files/1/0437/2951/8741/files/lozefodudebu.pdf
    • https://cdn.shopify.com/s/files/1/0437/3489/2693/files/dakagibit.pdf
    • https://cdn.shopify.com/s/files/1/0434/9670/2104/files/tarunawonudejupoxar.pdf
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/3448518798.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3669/files/rineluravuzurudimigipa.pdf
    • https://cdn.shopify.com/s/files/1/0430/8048/2970/files/bedumefulejufojovefave.pdf
    • https://cdn.shopify.com/s/files/1/0433/7837/6853/files/ximojo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5757/files/vogakowewizipab.pdf
    • https://cdn.shopify.com/s/files/1/0429/9112/4643/files/36964133160.pdf
    • https://cdn.shopify.com/s/files/1/0430/2821/8010/files/mopudojuvisuvexudozuge.pdf
    • https://cdn.shopify.com/s/files/1/0437/6641/5514/files/xefodopikukiseruteda.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009842.bin
37789fb8b80ce671d1174b33ce91625e628dc38809ef782924a34c5139cdda4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9842 4964 bytes
font_01_sfnt_off0000a900.bin
faa6ab2227f29abf222215e4c2a03dff94fdd62f1d7e5dc876848f568da8f350		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA900 10952 bytes
font_02_sfnt_off0000ce1d.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE1D 4324 bytes

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