Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ceb628ea4e8ff1…

MALICIOUS

PDF

46.8 KB Created: 2020-08-12 02:40:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1494c0a9c202ab79865b5ca409f98c2 SHA-1: ff0989cb288f767392a2d7f2e03d9a2e0774f223 SHA-256: d6ceb628ea4e8ff1ca56826e3ba13aa41cdb96fcebf089a9cb91b06aeecd8f3b
130 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, including a redirector to a known malicious domain, suggesting a link farm or phishing attempt. The heuristic 'SE_INVOICE_LURE' indicates the document's content is designed to deceive the user into clicking the malicious link, likely for a scam or to download further malware. No scripts were extracted from this sample.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=bill+of+lading+definition+pdf
    • http://files.gerrycooneysba.com/uploads/1/3/1/4/131407632/7081951.pdf
    • http://files.enmuchristianchallenge.org/uploads/1/3/2/6/132695492/bexosozenijel.pdf
    • http://files.themindfulsquad.com/uploads/1/3/0/9/130969701/vifenezozigupa-tefodarumagoleb.pdf
    • http://files.puppetcinema.com/uploads/1/3/2/6/132696122/6978591.pdf
    • https://cdn.shopify.com/s/files/1/0437/3217/2965/files/42296246059.pdf
    • https://cdn.shopify.com/s/files/1/0437/6566/1845/files/21665216851.pdf
    • https://cdn.shopify.com/s/files/1/0430/4912/3993/files/30318436933.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kixekitigatozodevejale.pdf
    • https://cdn.shopify.com/s/files/1/0438/0504/8989/files/how_to_install_act_for_ffxiv.pdf
    • https://cdn.shopify.com/s/files/1/0432/6621/2003/files/mipujabomepodiperekibe.pdf
    • https://cdn.shopify.com/s/files/1/0437/0622/0697/files/ultimate_arms_workout.pdf
    • https://cdn.shopify.com/s/files/1/0431/7213/5074/files/67155244702.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/49051850638.pdf
    • https://cdn.shopify.com/s/files/1/0438/9522/6523/files/the_replacements_disney.pdf
    • https://cdn.shopify.com/s/files/1/0432/0873/6936/files/ps2_bios_rom.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_off00007acc.bin
0bb5b92afb71ff0f8043b8149d37c3c2eeea77f115334690057b2538e374964d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7ACC 4984 bytes
font_01_sfnt_off00008bd5.bin
119c834ba2ebadabea7446b337cbf71d4dce22a303e9ab3a2ffda61ff0e4818d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD5 10136 bytes

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