Malicious PDF — malware analysis report

Static analysis result for SHA-256 44b3d1686d94022e…

MALICIOUS

PDF

38.2 KB Created: 2020-05-13 23:39:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9e6f4cd23d005e9828037661c5b774c0 SHA-1: 3de4c7ef4445180982462be8f13f95cbb8598303 SHA-256: 44b3d1686d94022e8ddb9e153b6abca28715fd263c39f4e05b21b8f72e96c763
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to other PDF files, indicating a link farm designed to manipulate search engine results or distribute further malicious content. The document body text, though corrupted, contains a URL that appears to be a lure for a 'SWOT analysis template'. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a malicious distribution or SEO poisoning campaign.

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://2rootsbrewingco.com/uploads/1/3/0/6/130639524/130639524.html#swot+analysis+template+ppt++free
    • http://jorgeivangomez.com/uploads/1/3/0/7/130776068/6ac52eca.pdf
    • http://tamingyourtummy.com/uploads/1/3/0/4/130475932/sodakalobezebevad.pdf
    • http://saveursdumonde.org/uploads/1/3/1/3/131384484/4369829.pdf
    • http://treetopstudiodesigns.com/uploads/1/3/0/2/130272909/f3a41bc2b8.pdf
    • http://johnnycarltonmusic.com/uploads/1/3/0/6/130620852/1382465.pdf
    • http://smilewithincoaching.com/uploads/1/3/0/5/130590412/damajisor.pdf
    • http://ggrebar.com/uploads/1/3/1/6/131606343/weradoxoweb.pdf
    • http://mgzlaw.ca/uploads/1/3/0/4/130488181/03abab5bdcfb77.pdf
    • http://chrisiong.dk/uploads/1/3/0/7/130775921/lenujivibezob.pdf
    • http://enewrites.com/uploads/1/3/1/3/131382982/winanij-salikifobipitu.pdf
    • http://m1338.com/uploads/1/3/1/0/131070366/mezevawe_kujuguva_suwapukuxi_gerovujiwomi.pdf
    • http://spaclassified.com/uploads/1/3/0/7/130776819/7978915.pdf
    • http://authenticbeing.info/uploads/1/3/0/7/130775221/d5858aa713f1d.pdf
    • http://embroidesign.org/uploads/1/3/0/3/130323485/wojulufoduvi.pdf
    • http://sugarcubedcc.com/uploads/1/3/0/7/130775635/letoxijebol.pdf
    • http://paintball.africa/uploads/1/3/0/6/130604778/bawanurarik_vifomofazo_riropenidaba_nupixafa.pdf
    • http://xn--repasprpar-h7ad.com/uploads/1/3/0/3/130379391/9693954.pdf
    • http://api1169.org/uploads/1/3/1/4/131438499/bokek.pdf
    • http://whisperinthestorm.com/uploads/1/3/0/7/130775710/febime.pdf
    • http://joyofageing.net/uploads/1/3/0/9/130969680/6766334.pdf
    • http://sonatsecurityincorporated.com/uploads/1/3/0/2/130291029/c0990e92.pdf
    • http://kyitconsulting.com/uploads/1/3/0/8/130874108/nozawamefaw-jumitije-madufowebapeg.pdf
    • http://jcphotosusa.com/uploads/1/3/1/4/131407300/waraj_givakivo.pdf
    • http://gretrodesign.se/uploads/1/3/0/4/130476262/4195351.pdf
    • http://executivepublicsafety.com/uploads/1/3/0/5/130550698/efa1ea60.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_off00006b60.bin
632eb5934a62b707be6610cca1a3b74e86c6b358336a421b81a97ee09b8f8562		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B60 9712 bytes

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