Malicious PDF — malware analysis report

Static analysis result for SHA-256 392e0a3b9e1a9ae0…

MALICIOUS

PDF

41.2 KB Created: 2020-03-31 20:26:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 679a836331259364f859b5c761a56a7a SHA-1: a420f8b031fc65e68f047be66bde1d4702f09f29 SHA-256: 392e0a3b9e1a9ae0f245c6f75a87731941dd6c87672c023945ae25d0bd7f58f3
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO spam or to direct users to malicious websites. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior. While no scripts were extracted, the embedded URLs suggest a delivery mechanism for further malicious content or phishing attempts. The document body contains text related to 'Call of Cthulhu PS4 chapter 6', which appears to be a lure.

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://greenwolfverticalfarm.com/uploads/1/3/0/9/130969423/130969423.html#call+of+cthulhu+ps4+chapter+6
    • http://tostrivetobethebestme.net/uploads/1/3/0/5/130588145/zabapiwijoni-dunuwakoguvobow.pdf
    • http://sckatelynham.com/uploads/1/3/1/3/131379231/nuwowe-wigen.pdf
    • http://herwaybeautyandspa.com/uploads/1/3/0/6/130604415/9953747.pdf
    • http://achieve-evolve-accelerate.com/uploads/1/3/0/4/130489371/4845528.pdf
    • http://learningatseeds.com/uploads/1/3/0/5/130551294/7366f3bbc4.pdf
    • http://returntoeden.co/uploads/1/3/1/3/131383544/degob.pdf
    • http://dragonflycustomworks.net/uploads/1/3/0/6/130639269/lalivuvazuvu.pdf
    • http://amosallen.com/uploads/1/3/0/6/130604885/2198020.pdf
    • http://hubexportador.com/uploads/1/3/0/8/130874001/7197806.pdf
    • http://baoandtea.com/uploads/1/3/0/6/130604200/sadixewewaxepe.pdf
    • http://thenterprisegroup.com/uploads/1/3/0/5/130588714/lozajejok.pdf
    • http://vukupauto.ru/uploads/1/3/0/6/130639822/nekokaf.pdf
    • http://monocularphotography.com/uploads/1/3/0/7/130775830/jasafavawev-sitelagasa-jugiwu-rupilobewowu.pdf
    • http://richardeturley.com/uploads/1/3/0/6/130603815/2a0eedc939.pdf
    • http://gingerspringerphotography.com/uploads/1/3/1/3/131384071/golega.pdf
    • http://jtspradley.com/uploads/1/3/0/7/130738693/1790130.pdf
    • http://rockstaryogatn.com/uploads/1/3/0/3/130379231/8796266.pdf
    • http://doublewitch.com/uploads/1/3/0/3/130323113/totonujube_rawefozunifano_zovoras.pdf
    • http://energykim.com/uploads/1/3/0/7/130776142/cd968.pdf
    • http://patsy-branco.com/uploads/1/3/0/9/130969847/1539030.pdf
    • http://artxtax.com/uploads/1/3/0/7/130740232/6409602.pdf
    • http://hookedonyourbooks.com/uploads/1/3/0/5/130539437/nolusibulejut_jalimij_vujudavujipi.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_off000079ef.bin
d97c9b48bbd917d82b0a7f5745ff9151073aed9bfb3c3dff27204252f9978874		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79EF 7464 bytes

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