Malicious PDF — malware analysis report

Static analysis result for SHA-256 a743384b2308d41d…

MALICIOUS

PDF

48.8 KB Created: 2020-03-29 07:28:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 95376f771a563a13899ce81518789589 SHA-1: 2ca1c80e274265e3680fcbb86b797e4a81902c44 SHA-256: a743384b2308d41d881a4eceb40d99966e3ad9cf841d239da322963576381e2e
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, identified by the PDF_SEO_LINK_FARM heuristic. The embedded URLs point to a network of domains, suggesting a link farm or a redirection scheme. The document body, though partially corrupted, contains a URL that aligns with the findings of the PDF_URI heuristic. No scripts were extracted from this sample.

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://hotelvic-phase2-ko.devsite-1.com/uploads/1/3/0/7/130775336/130775336.html#analyzing+moral+issues+quizlet
    • http://mx.empowermentworks.org/uploads/1/3/0/7/130738696/wivona-napuvadifono-pufomududi.pdf
    • http://earthwoodtimber.com/uploads/1/3/1/3/131380171/d2ffd.pdf
    • http://feebasedplanning.org/uploads/1/3/0/6/130604141/e9ddc3ee.pdf
    • http://www.tri-split.com/uploads/1/3/0/5/130543685/8f54afd5b.pdf
    • http://norwooddentalblog.com/uploads/1/3/0/6/130603745/5bd93bdd7e04610.pdf
    • http://www.kinseyswainphotography.com/uploads/1/3/0/7/130739883/wutekoris_papupezizunune.pdf
    • http://nectr.ca/uploads/1/3/0/7/130738830/947533.pdf
    • http://antocorppower.com/uploads/1/3/0/5/130550832/3191882.pdf
    • http://signa-holding-asia.org/uploads/1/3/0/5/130551144/risuxezevevonepikele.pdf
    • http://slobberandsnouts.com/uploads/1/3/0/5/130544132/pofabunetagorapid.pdf
    • http://funandjoy.net/uploads/1/3/1/3/131382470/pizone-guxilifubevo-wedatolifejiw.pdf
    • http://www.alexishoffmanclassroom.com/uploads/1/3/0/4/130488773/2002033b83.pdf
    • http://bellinghammusicenrichmentproject.org/uploads/1/3/0/8/130874304/6535802.pdf
    • http://themissinglinkblog.co.uk/uploads/1/3/0/3/130379058/guzetitumatak.pdf
    • http://www.stephaniedonily.com/uploads/1/3/0/2/130272385/7235103.pdf
    • http://www.wasatchliquidation.com/uploads/1/3/0/7/130776120/nafujegem-misepi-jufutodo-logagag.pdf
    • http://55florida.com/uploads/1/3/0/2/130291649/4421609.pdf
    • http://rivereasttravel.com/uploads/1/3/0/6/130639258/wusamenaf_jadelerereso.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_off000095dc.bin
b9622574b6abc91f94bdcdae26d31c7b20a07013952b9f7d6887ae2b33e4a403		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95DC 8288 bytes

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