Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ea601991082f17d…

MALICIOUS

PDF

46.9 KB Created: 2020-08-08 18:57:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4aff2b8c0c52e4dfe901744785010c56 SHA-1: 0ec5da231a1e8c96457d229d3c155f92066ac702 SHA-256: 8ea601991082f17d31cac863c0abffdb46264d09eed0874ec047b8cee5c3937a
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of a large number of embedded links, a technique often used for SEO poisoning and redirecting users to malicious sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a link to ttraff.com, indicating a malicious redirector. The document body contains garbled text but also includes the URL https://ttraff.com/pify?keyword=snow+white+variety+show+script+pdf, reinforcing the malicious intent.

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.com/pify?keyword=snow+white+variety+show+script+pdf
    • http://files.albertahealingarts.com/uploads/1/3/0/7/130739628/27bc0e81581eee.pdf
    • http://files.bringingtherapyhome.com/uploads/1/3/1/8/131871605/1feb4c7.pdf
    • http://files.salentoby5.com/uploads/1/3/1/0/131071258/wanow-dofoneruratobom-lalivakiba.pdf
    • http://files.harmonymassagewellnessjoplin.com/uploads/1/3/1/0/131069897/6611675.pdf
    • http://files.facemasksforbusinesses.com/uploads/1/3/2/8/132814306/4260358.pdf
    • https://cdn.shopify.com/s/files/1/0429/9168/1699/files/tovimivizu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0299/4586/files/49527665351.pdf
    • https://cdn.shopify.com/s/files/1/0437/5497/9477/files/juvufekevo.pdf
    • https://cdn.shopify.com/s/files/1/0447/4676/8535/files/anencefalia_fetal.pdf
    • https://cdn.shopify.com/s/files/1/0428/3714/7811/files/60201262063.pdf
    • https://cdn.shopify.com/s/files/1/0432/0755/7283/files/mewowopuzogibedu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8266/9464/files/98344728802.pdf
    • https://cdn.shopify.com/s/files/1/0436/9917/5579/files/va_form_21_0820.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2860038855.pdf
    • https://cdn.shopify.com/s/files/1/0435/1400/3610/files/wikivudakemunuvu.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_off00007987.bin
0abc58555445e73455dedcfb3c4943641c9aa0704f242b34e442d1880c0b8167		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7987 5568 bytes
font_01_sfnt_off00008c97.bin
6140361d690e88b39954762325e169e54bac5290e488a8e8a916a350f6e6fde1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C97 9984 bytes

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