Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e9ac9ee24ece8ff…

MALICIOUS

PDF

47.9 KB Created: 2020-08-10 10:29:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71870c22dd46a7782f92bba404077fb8 SHA-1: 211292910d66030548ff5791f2e0d4370b222d44 SHA-256: 9e9ac9ee24ece8ff7916b5cb69b27a5a7f3bedc8141c2bd5a885487ccc07ad40
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a food and beverage menu. It also exhibits characteristics of a link farm, embedding numerous links to other PDFs, likely for SEO manipulation or to spread malicious content. No scripts were extracted, but the presence of the malicious redirector and the link farm strongly suggest a phishing or malware distribution attempt.

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=food+and+beverage+menu+pdf
    • http://files.theinkspot49.co.uk/uploads/1/3/2/3/132303126/pipubuxagori.pdf
    • http://files.mariecharpentier.net/uploads/1/3/1/4/131483019/batipaxadas.pdf
    • http://files.tischtalentguild.com/uploads/1/3/0/8/130814057/a2432d00d74431.pdf
    • https://cdn.shopify.com/s/files/1/0432/0991/6576/files/wiley_cpa_exam_review_2020_auditing_and_attestation.pdf
    • https://cdn.shopify.com/s/files/1/0428/1725/7628/files/52591825194.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11286786524.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/36497585410.pdf
    • https://cdn.shopify.com/s/files/1/0431/7180/7394/files/53075616995.pdf
    • https://cdn.shopify.com/s/files/1/0429/5386/7427/files/pibaxalabeboxexabom.pdf
    • https://cdn.shopify.com/s/files/1/0440/1060/2661/files/mesepafap.pdf
    • https://cdn.shopify.com/s/files/1/0450/2369/0916/files/2020_kpss_vatandalk_video_ders_notlar_benim_hocam_yaynlar.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sivuduveserekolagaxabulux.pdf
    • https://cdn.shopify.com/s/files/1/0432/0002/0635/files/zulupini.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_off00007c1a.bin
9e7eec36b12bb434fb9cd4ef0c3fdc16a7effbdfb3a959a01a3cb17cf2c46cef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1A 5304 bytes
font_01_sfnt_off00008e18.bin
03336f3219a4501f8f28ffbd55d1dc64c3a14049ca3f4928d30f136001a0de21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E18 10820 bytes

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