Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bc1153c8669d718…

MALICIOUS

PDF

69.9 KB Created: 2020-08-04 16:14:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 733cef55fafb93bbe720e1322667ba27 SHA-1: 3e3b2a2b4118b4e54ee4905af50f3ff084aa48a7 SHA-256: 3bc1153c8669d7185690006c57e0d5da7992cfa6cf7d5ab50c37b854c48ed56e
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic match for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The embedded URL, https://ttraff.ru/pify?keyword=lucifer+et+ahriman+rudolf+steiner+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains this same URL, reinforcing the lure. The PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, likely for SEO manipulation or to obscure the malicious destination.

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.ru/pify?keyword=lucifer+et+ahriman+rudolf+steiner+pdf In PDF document text
    • http://files.blueovalboneyard.com/uploads/1/3/0/9/130968961/c3895eae00f.pdfIn PDF document text
    • http://files.tonywithers.co.uk/uploads/1/3/1/6/131606490/jalaxifawo.pdfIn PDF document text
    • http://files.kamcoent.com/uploads/1/3/0/8/130814120/016a156952ef4c2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/resozelofik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8180/9558/files/apostila_de_capelania_hospitalar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0071/6694/files/batugowatoni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5208/1053/files/68570193657.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8566/9279/files/62915431503.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3556/4949/files/sifopuzegitek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8517/6736/files/patunerip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8424/3351/files/13177804817.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7964/7900/files/79812595294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8068/6491/files/6627938419.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2642/3701/files/dopenodubaxugebol.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d525.bin
97bca3b5812e9345cc71a93c4485a0ef60a6b5b48880dbf28f65b02a3210f36a
pdf-font-stream PDF embedded font (sfnt) at offset 0xD525 5336 bytes
font_01_sfnt_off0000e72a.bin
f3c44b5e5b79679a906e292813b46408f6d5fd93e19c31de1ab00c8f07608f60
pdf-font-stream PDF embedded font (sfnt) at offset 0xE72A 10276 bytes