Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fbcdf134a247597…

MALICIOUS

PDF

56.1 KB Created: 2020-07-30 21:09:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 928d4218fd5369c434f25ed0949a0c70 SHA-1: 4e464a74d044ee8b521a403abb527861dc93fcc2 SHA-256: 2fbcdf134a247597bb533d9177e06799bf281d0d728a62678ce0471669af1671
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, identified as a 'PDF SEO LINK FARM'. One of these links, 'https://ttraff.ru/pify?keyword=anunnaki+bible+pdf', is flagged as pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains keywords related to 'Anunnaki bible pdf', suggesting a lure to attract users interested in such content. The primary attack pattern involves redirecting users to malicious sites.

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=anunnaki+bible+pdf
    • http://files.rivermenrodandgunclub.com/uploads/1/3/2/3/132302973/nomegariwutok-wibiwu-visinatixubuj-sojimuta.pdf
    • http://files.chsmarketplace.com/uploads/1/3/2/7/132710782/cd8da2357b.pdf
    • http://files.bandsourceproductions.com/uploads/1/3/1/4/131408209/venituxixiwuvaw.pdf
    • http://files.bandsourceproductions.com/uploads/1/3/1/4/131408209/
    • https://cdn.shopify.com/s/files/1/0435/6312/2843/files/41623517521.pdf
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/jokoramesamobosotulev.pdf
    • https://cdn.shopify.com/s/files/1/0434/5148/2278/files/gipojurogovaxitex.pdf
    • https://cdn.shopify.com/s/files/1/0430/2418/7549/files/49039295579.pdf
    • https://cdn.shopify.com/s/files/1/0428/1437/4054/files/gavolufe.pdf
    • https://cdn.shopify.com/s/files/1/0432/9776/7592/files/29387455921.pdf
    • https://cdn.shopify.com/s/files/1/0432/2269/6098/files/pibanafotesuwosul.pdf
    • https://cdn.shopify.com/s/files/1/0435/2134/3647/files/vibabazugu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2821/6983/files/6582992070.pdf
    • https://cdn.shopify.com/s/files/1/0432/8692/1374/files/xetokuzukizasajuvinoxik.pdf
    • https://cdn.shopify.com/s/files/1/0430/9535/9637/files/nadopubiwebut.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/89088368550.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_off0000a01b.bin
4dbfb5c364165222157cdaa97163020266347f6c1efdc78c7fa27e2d01cbccf4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA01B 4648 bytes
font_01_sfnt_off0000afe3.bin
32cadb23077da16477d2f391f6ef9f2ec270048a4d0f6321be5577f2bdeed33d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAFE3 10224 bytes

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