Malicious PDF — malware analysis report

Static analysis result for SHA-256 d303e939f8feedfc…

MALICIOUS

PDF

36.7 KB Created: 2020-05-17 01:41:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b6b9ceeb9de2805860018eb3219deed SHA-1: 10f3f88858c9d29bc200ad672379febf7df68c02 SHA-256: d303e939f8feedfcf49340b2e7c96e75a5c9301bb3d4fddd7af1dd75a44050a2
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body, though heavily obfuscated, contains text suggesting it is a 'private lease agreement template', likely a lure to encourage users to click on the embedded malicious URLs. The heuristic PDF_SEO_LINK_FARM indicates a mass of external PDF links, suggesting a SEO-based distribution or redirection tactic.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://grupoforrajeroxalos.net/uploads/1/3/1/4/131453573/131453573.html#private+lease+agreement+wa+template
    • http://musicbandtogether.com/uploads/1/3/1/3/131380531/nobapapogerexelej.pdf
    • http://gulfcoastprestigeyouth.org/uploads/1/3/0/7/130776887/7755454.pdf
    • http://smackaliciouslips.com/uploads/1/3/0/4/130477309/fipoburonupenemo.pdf
    • http://yummm.org/uploads/1/3/0/6/130620449/nivarasobe_fumedexuwojuzir_lovokefapilafe_goxoja.pdf
    • http://exhibitiontitle.org/uploads/1/3/0/6/130620792/2c387.pdf
    • http://qualityhouston.com/uploads/1/3/0/5/130588280/c4bba0.pdf
    • http://skioliverlux.com/uploads/1/3/0/6/130621315/cfa6b5839.pdf
    • http://bklynfete.com/uploads/1/3/0/6/130639344/bizazupeniv.pdf
    • http://kimyandrade.com/uploads/1/3/0/6/130639365/negerepopiwu.pdf
    • http://alwaanpres.com/uploads/1/3/0/4/130477252/pisogoxopuviwezur.pdf
    • http://shorttimes.org/uploads/1/3/0/8/130813429/vopitikiti_zusajalagina.pdf
    • http://lowen-trades.com/uploads/1/3/1/3/131381706/bilapabujesalutape.pdf
    • http://gurtinardhouse.com/uploads/1/3/0/6/130639283/2251415.pdf
    • http://anabolicsteroidsunleashed.com/uploads/1/3/0/7/130776164/bc154cb.pdf
    • http://ucqclothing.com/uploads/1/3/1/4/131437685/sezijoxagil.pdf
    • http://scubagiants.com/uploads/1/3/0/3/130323184/a3b1ff918.pdf
    • http://moodreap.com/uploads/1/3/0/5/130545254/topamigewulodet_bubuwidolejixu_levuwiz_wipuve.pdf
    • http://lc-propertysolutions.net/uploads/1/3/1/4/131483201/nujavuvako.pdf
    • http://simplyairconditioningandheating.net/uploads/1/3/0/5/130548070/e2dbec9.pdf
    • http://thissideoftherainbow.net/uploads/1/3/0/2/130289336/602a15410a.pdf
    • http://kommandosouth.com/uploads/1/3/0/6/130639448/7787205.pdf
    • http://loveblubags.com/uploads/1/3/0/5/130588288/b9f4956573f16.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_off0000630d.bin
b360570e57221b274f6b44b284a63f8a60d31f60ab442a9980c49876e4e975fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x630D 10116 bytes

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