Malicious PDF — malware analysis report

Static analysis result for SHA-256 2798e331fa9e8e0e…

MALICIOUS

PDF

33.7 KB Created: 2020-04-23 18:12:38 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 92d5d24535a3e28b750cb09c75c5b296 SHA-1: 49a361b1004236e6f689fe7e0fd62a69648a9184 SHA-256: 2798e331fa9e8e0eeef4d8dcacf05ffe9339f2628fafcd0accab576761c728c1
62 Risk Score

Malware Insights

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

The PDF document contains a heuristic indicating it is part of a link farm, with numerous external PDF links. The document body, though heavily obfuscated, contains text related to an 'injury report for tonight's nba games' and includes URLs that are likely part of this lure. The primary intent appears to be directing users to malicious websites through these embedded links.

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://cozyoasis.com/uploads/1/3/1/3/131384291/131384291.html#injury+report+for+tonight%27+s+nba+games
    • http://marineparkfamilyvision.com/uploads/1/3/0/4/130435581/8285866.pdf
    • http://jandjdaylilies.com/uploads/1/3/0/2/130289345/9974569a965d.pdf
    • http://anchorlocksmithservice.com/uploads/1/3/0/4/130476709/tegidasin_pusezezev_jizazinabufilir_gesofotap.pdf
    • http://everywhere4music.com/uploads/1/3/0/6/130604294/e704a.pdf
    • http://tampadentalemergency.com/uploads/1/3/0/6/130620314/dilaxid.pdf
    • http://adventureawaitsllc.com/uploads/1/3/0/9/130969475/sazazit-sefap.pdf
    • http://californiawatermatters.com/uploads/1/3/0/2/130273843/zedilikenos.pdf
    • http://avoid1800stranger.net/uploads/1/3/0/3/130313363/tuwoferesifiba.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_off00005a48.bin
6d9846a40145e48b59f2c17d8dbf741d7b7e43a81a33c3f7462dee02001d918f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A48 8660 bytes

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