Malicious PDF — malware analysis report

Static analysis result for SHA-256 2de56846c8a14213…

MALICIOUS

PDF

44.9 KB Created: 2020-08-01 21:34:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f2e72e87b44ae4d0c77913b3f1a19faf SHA-1: 3d64ec2dcba34053392389216cfca4237b7ff301 SHA-256: 2de56846c8a142133225ac2b8ad4aa005721316e50e456745d50168870378697
162 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a primary link pointing to a known malicious redirector. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to trick users into believing they will receive a prize or benefit, requiring further action like clicking a link. The presence of many external PDF links, including the malicious redirector, suggests a link farm or redirection tactic to obscure the final malicious destination.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=abcs+of+real+estate+investing+pdf
    • http://files.yogabudding.com/uploads/1/3/1/4/131437736/kafosup.pdf
    • http://files.westhartselle.com/uploads/1/3/1/4/131482952/suwotigedolakadomoku.pdf
    • http://files.biomarkerconsult.com/uploads/1/3/1/1/131164567/fobubegobaxedenaki.pdf
    • https://cdn.shopify.com/s/files/1/0432/8125/2512/files/37538543073.pdf
    • https://cdn.shopify.com/s/files/1/0430/3798/2869/files/94618146349.pdf
    • https://cdn.shopify.com/s/files/1/0440/9799/4904/files/69279409266.pdf
    • https://cdn.shopify.com/s/files/1/0438/5207/1074/files/59329093027.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76222514852.pdf
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/tivofenabagukiw.pdf
    • https://cdn.shopify.com/s/files/1/0433/9603/8812/files/11557852748.pdf
    • https://cdn.shopify.com/s/files/1/0436/4782/8133/files/ing_direct_ca.pdf
    • https://cdn.shopify.com/s/files/1/0433/7061/0851/files/wigavufefetumugowiritapit.pdf
    • https://cdn.shopify.com/s/files/1/0430/1609/3849/files/vagibixiroxulax.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_off00007054.bin
bf3da529c583334efea3da2e8df44fe0cae78dca41c19c4ceb0c166486f1794a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7054 5512 bytes
font_01_sfnt_off00008329.bin
599022b53228a128b1c88561f14b2895859fc1bdcfda9ffb05e8fb42e8b1ac81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8329 10420 bytes

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