Malicious PDF — malware analysis report

Static analysis result for SHA-256 563c851d249f752a…

MALICIOUS

PDF

42.4 KB Created: 2020-08-01 06:18:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 471a2bec010555826a0fb62083540d1e SHA-1: d1b8686f0f59085a0106be3170b1aca90807e340 SHA-256: 563c851d249f752a65626381942879efada50ee20d8771958963f7b845a0d692
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=session+horns+pro+manual'. Additionally, it exhibits a PDF link farm behavior, embedding numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent. The primary goal appears to be redirecting users to malicious infrastructure, likely for phishing or malware delivery.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=session+horns+pro+manual
    • http://files.redleaf-properties.com/uploads/1/3/1/1/131164159/b7227a0f6ed.pdf
    • http://files.rrproductions.shop/uploads/1/3/1/4/131453215/7145080.pdf
    • http://files.faunafloraterra.com/uploads/1/3/0/8/130813524/xomajasax_gaxuraviw_notixomajep.pdf
    • http://files.buildvaluehere.com/uploads/1/3/1/4/131438068/pukug.pdf
    • http://files.maelasesthetics.com/uploads/1/3/1/4/131483184/dekaguzuz.pdf
    • https://cdn.shopify.com/s/files/1/0438/1615/7344/files/23758440657.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdf
    • https://cdn.shopify.com/s/files/1/0435/5719/1843/files/vobofomesonikamufakug.pdf
    • https://cdn.shopify.com/s/files/1/0431/2619/4333/files/bavudomur.pdf
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/matepe.pdf
    • https://cdn.shopify.com/s/files/1/0433/4741/1096/files/6435800640.pdf
    • https://cdn.shopify.com/s/files/1/0438/2133/4688/files/janemunebaguve.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gabagijujusudizal.pdf
    • https://cdn.shopify.com/s/files/1/0435/5837/1496/files/nazarowodowerixopofew.pdf
    • https://cdn.shopify.com/s/files/1/0436/4029/1486/files/zodoxesilepotobusozuzage.pdf
    • https://cdn.shopify.com/s/files/1/0437/3449/9489/files/18735421138.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_off00006634.bin
f24a624646c8332dbeea81ad4de527f8968700c0d0b9ea6720959a89c6a18d9a
pdf-font-stream PDF embedded font (sfnt) at offset 0x6634 5160 bytes
font_01_sfnt_off0000778d.bin
8b548163d3e9aca84a68bf0060e656630e6cf054569c0c518c9c7f20d3951f06
pdf-font-stream PDF embedded font (sfnt) at offset 0x778D 10952 bytes