Malicious PDF — malware analysis report

Static analysis result for SHA-256 cefa7c96afbb2d38…

MALICIOUS

PDF

38.9 KB Created: 2020-03-25 10:04:21 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 78d2437e884dbd9772038a08e373aea1 SHA-1: 62b6e7200fb5880e6c74cee8724f8d273b7c7a24 SHA-256: cefa7c96afbb2d38ae10bf37cd6e62312a3cb2e171230fefb32be0a10ce81427
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a common technique for SEO poisoning or redirecting users to malicious sites. The document body text, though obfuscated, contains references to video game cheats and the PDF's creation tool, suggesting a lure to attract clicks. The primary IOC is the first external URI found, which points to a page related to video game cheats.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://myknitlife.com/uploads/1/3/0/7/130739974/130739974.html#black+ops+1+cheats+ps3+zombies+unlimited+ammo
    • http://walk-cards.com/uploads/1/3/0/4/130475964/lujofobitavug_dexumuwezidedu_nanudeb_gisetopuxi.pdf
    • http://interiorwraps.com/uploads/1/3/0/6/130639791/sarixolafekepuzibo.pdf
    • http://cturology.com/uploads/1/3/0/7/130739011/jilikimiledewakuxib.pdf
    • http://autodiscover.midamericaprospects.com/uploads/1/3/0/5/130590368/26ec7.pdf
    • http://www.ramoutarreport.com/uploads/1/3/0/7/130775647/fawaboxuliwipuwi.pdf
    • http://mcbcyork.org/uploads/1/3/0/5/130540106/681aeb50e737b9.pdf
    • http://runawaytide.com/uploads/1/3/0/5/130550887/riwiwixobamuxa.pdf
    • http://clearwaterconcerts.org/uploads/1/3/0/5/130551137/2846949.pdf
    • http://thenannydiscovery.com/uploads/1/3/0/7/130775109/3860f00840.pdf
    • http://lakepointboatrentals.com/uploads/1/3/0/9/130969237/rigawip_ladesuzu_xigukimare.pdf
    • http://mta165.qualitynow.net/uploads/1/3/0/5/130541351/xilafatujiwe_likogaxav_diseditexe.pdf
    • http://supergcoating.com/uploads/1/3/0/8/130873852/dixiga-bunuvekiwitiwad.pdf
    • http://polaris14.com/uploads/1/3/0/7/130775248/vubanudarivibaf.pdf
    • http://ffmiami.net/uploads/1/3/0/5/130588625/fotelafabirategasubi.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000705d.bin
631e0e7f84bf4956ba8dc99d0512cef6ca07e5e4b9b623ef5dec9058ba4c6eb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x705D 7580 bytes

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