Malicious PDF — malware analysis report

Static analysis result for SHA-256 a234c57339f40bfc…

MALICIOUS

PDF

32.9 KB Created: 2020-05-16 12:39:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a0647fd327901dc4351c23e5590420e SHA-1: f5c9722f337ce122aff150b142f353b2546b6769 SHA-256: a234c57339f40bfcff2d6a9b9a18f4e53e50e26c2c06830cc4565ba5ddea0fa2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, each hosting a PDF file with a numeric slug. The document body also contains a URL that appears to be related to the link farm. This suggests a campaign focused on SEO manipulation or distributing content via a large network of linked PDFs.

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://autonboatgraphics.com/uploads/1/3/0/7/130775274/130775274.html#angularjs+bootstrap+form+template
    • http://atlanticcoastedx.com/uploads/1/3/0/7/130738553/a9156510.pdf
    • http://yogipandap.com/uploads/1/3/0/6/130603917/dubarejixov.pdf
    • http://denmarkperformingarts.com/uploads/1/3/0/4/130476738/2064842.pdf
    • http://waynebeckmusic.com/uploads/1/3/0/2/130270776/milarezi.pdf
    • http://qacollective.com/uploads/1/3/0/8/130815115/lixituvataluxu.pdf
    • http://climbrukajuu.com/uploads/1/3/0/6/130604656/6547491.pdf
    • http://onebindingsystem.com/uploads/1/3/0/8/130873843/xozaweliketi_juzutedugegigu_gevilobagobe_kamik.pdf
    • http://studiosevenllc.com/uploads/1/3/1/4/131407691/9444578.pdf
    • http://mykleaners.net/uploads/1/3/0/2/130289283/4923156.pdf
    • http://needa4th.com/uploads/1/3/0/5/130588611/5320555.pdf
    • http://alfa-spanish.org/uploads/1/3/0/6/130604004/1756890.pdf
    • http://art-club.ca/uploads/1/3/0/7/130776151/jiguzaneduv.pdf
    • http://jr324muzi.com/uploads/1/3/0/4/130476006/noruki.pdf
    • http://technobubble.app/uploads/1/3/0/5/130589413/pitepijafabibopazo.pdf
    • http://communitybeehive.com/uploads/1/3/0/6/130639605/22773436.pdf
    • http://docuproitb.net/uploads/1/3/1/1/131163902/kirusikuru-nitemoxerewuxu-rijelalesifotog-muniwabe.pdf
    • http://goldencodservices.com/uploads/1/3/0/6/130603838/savodatixuka-situpaxapoza-zilebowu-fazole.pdf
    • http://edwardlwoodyard.com/uploads/1/3/1/6/131637308/344714.pdf
    • http://fortappliancerepair.com/uploads/1/3/0/3/130313366/guwunebizo.pdf
    • http://wildchild.dance/uploads/1/3/0/5/130547576/7ab129b2699c5d.pdf
    • http://ktplanning.org/uploads/1/3/0/6/130622059/690a39c9f57.pdf
    • http://naileditnorthshore.com/uploads/1/3/0/7/130776589/fewon.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_off000056e6.bin
9fc80ed1affd747541036349e000508e40fe33916264f351f3ed5c665517a7cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56E6 9708 bytes

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