Malicious PDF — malware analysis report

Static analysis result for SHA-256 32064609e277c6ce…

MALICIOUS

PDF

38.2 KB Created: 2020-06-12 17:39:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9e44cba4151fcd98de076fd5b4685ee2 SHA-1: 91e76680746784f21c27f744c2c1f93ff19dc6a4 SHA-256: 32064609e277c6ce68e3311547488a1f4d535929dfbd3f37ac26357886ee2776
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many pointing to other PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a link farm strategy, suggesting the document's primary purpose is to direct users to a network of sites. The embedded document body text, though partially corrupted, contains a URL that aligns with this observation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://travelwithrhonda.voyagerwebsites.com/uploads/1/3/0/8/130874298/130874298.html#melhores+livros+manuten%25C3%25A7%25C3%25A3o+industria
    • http://kaylaskitchen.net/uploads/1/3/0/6/130620857/sekaroxamajuwiwodetu.pdf
    • http://caronnutrition.com/uploads/1/3/1/4/131452942/pazutarukiba.pdf
    • http://laurarheaume.com/uploads/1/3/0/5/130546000/1c7b7a0ea0a4.pdf
    • http://nsolc.com/uploads/1/3/1/4/131453915/nafuraj.pdf
    • http://crossfitjohorbahru-rxfitness.com/uploads/1/3/1/4/131438693/1911265.pdf
    • http://kidcoteam.com/uploads/1/3/0/6/130639300/54613.pdf
    • http://aspenhillqtrs.com/uploads/1/3/0/2/130289508/6591832.pdf
    • http://healthyghana.com/uploads/1/3/1/4/131408984/devafovovi-musabibuk-jiweb.pdf
    • http://letoulecaiba.br3h.com/uploads/1/3/1/4/131453543/wapatexudesi-lajuzame-nelamujunodasef-sagirisu.pdf
    • http://mta-sts.shirleygoodwinphotography.com/uploads/1/3/0/2/130289478/c90aa7ed9.pdf
    • http://server65068.misscarols.com/uploads/1/3/0/7/130740186/kudepoxasojurab-ninuzezeripag.pdf
    • http://ihnn8.dtmgt.com/uploads/1/3/0/5/130543656/pojakovumam.pdf
    • http://letoulecaiba.br3h.com/uploads/1/3/1/4/131453543/
    • https://dojuzemis.files.wordpress.com/2020/06/bupajuzabosalotefediro.pdf
    • https://motozepeb.files.wordpress.com/2020/06/gimube.pdf
    • https://jelonidamu.files.wordpress.com/2020/06/tosejudoxeze.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_off0000650d.bin
3336839f8272971d569cebd9aad977d8583379e94a37f62d6a041eb0e51ab468		 pdf-font-stream PDF embedded font (sfnt) at offset 0x650D 12352 bytes

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