Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9cf05928ba8accb…

MALICIOUS

PDF

44.6 KB Created: 2020-08-07 09:32:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d34c2e31a6d148c1ac8e14ec50309fa SHA-1: 0aae6a40baa66c5871c544caa448fb3157bda971 SHA-256: d9cf05928ba8accbc9d8e2e39a11343bf1a8c06f8cd2d9487d64b1dd5d4ff74f
160 Risk Score

Malware Insights

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

The PDF contains a lure related to the book 'Zero to One' by Peter Thiel, but the primary embedded link redirects to a known malicious domain, ttraff.com. This indicates an attempt to redirect the user to a malicious site, likely for phishing or malware delivery. The PDF also contains a large number of links to Shopify, suggesting a link farm for SEO manipulation or to obscure the malicious redirector. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' further suggests the content is designed to trick users into a fraudulent scheme.

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/wb?keyword=zero%20to%20one%20pdf%20by%20peter%20thiel
    • http://files.northmiresouces.org/uploads/1/3/0/8/130874058/vopilu.pdf
    • http://files.3sistersgarlic.com/uploads/1/3/1/4/131483830/757578.pdf
    • http://files.aliveaccelerator.com/uploads/1/3/1/4/131454549/6d06beeb2ac.pdf
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/83992405309.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdf
    • https://cdn.shopify.com/s/files/1/0431/4903/3627/files/48950203729.pdf
    • https://cdn.shopify.com/s/files/1/0435/9671/0047/files/manual_de_anestesia_local_hector_martinez.pdf
    • https://cdn.shopify.com/s/files/1/0435/8402/8833/files/193777505.pdf
    • https://cdn.shopify.com/s/files/1/0437/6153/3085/files/puderaxixekovavedon.pdf
    • https://cdn.shopify.com/s/files/1/0432/4248/7963/files/vinefesutobe.pdf
    • https://cdn.shopify.com/s/files/1/0434/9162/3074/files/bevemesixukisenujofax.pdf
    • https://cdn.shopify.com/s/files/1/0430/9227/9445/files/sinifuxebopududeper.pdf
    • https://cdn.shopify.com/s/files/1/0433/4691/9579/files/catabolismo_de_proteinas_y_aminoacidos.pdf
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/rozisojebig.pdf
    • https://cdn.shopify.com/s/files/1/0431/4903/3627/files/58875298151.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_off0000650f.bin
ba4bb5ccd0d6e819c964dffb59752fadfa59825eea505d2412e56fa0bea84904
pdf-font-stream PDF embedded font (sfnt) at offset 0x650F 4728 bytes
font_01_sfnt_off0000750f.bin
b81dc1c45eb376e896581351be8b9f6985bdaaae90f5c22479e9fd91fb1a5a52
pdf-font-stream PDF embedded font (sfnt) at offset 0x750F 10096 bytes
font_02_sfnt_off00009776.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9776 4324 bytes