Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c7ec5e1a6ef6499…

MALICIOUS

PDF

46.4 KB Created: 2020-03-15 08:15:31 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8351e88b7c4499d2a3946d00893675ad SHA-1: b0b596b8f99776b6e900df862ceebf35e8b26422 SHA-256: 8c7ec5e1a6ef6499d873f05afa5c58a03500df87f3bd0d5a60539f5e42adea7f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, a technique often used for SEO spam or to distribute malicious payloads. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'heatherdfulton.com' being a dominant host. The embedded URL 'http://adsl-63-204-18-38.benefitplans.org/uploads/1/3/0/6/130620822/130620822.html#bruce+springsteen+discography' also points to a potentially malicious resource. 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://adsl-63-204-18-38.benefitplans.org/uploads/1/3/0/6/130620822/130620822.html#bruce+springsteen+discography
    • http://heatherdfulton.com/uploads/1/3/0/7/130740442/debiketuf.pdf
    • http://photos.joerussellphotos.com/uploads/1/3/0/9/130969565/75f06774a4a2.pdf
    • http://creativehealthplan.co.uk/uploads/1/3/0/5/130547576/judekexetakaneti.pdf
    • http://escortsclassifiednetwork.com/uploads/1/3/0/2/130270963/7762667.pdf
    • http://www.sundreamjournal.com/uploads/1/3/0/6/130639540/3844599.pdf
    • http://minacohospitality.com/uploads/1/3/0/3/130313480/2ff09.pdf
    • http://200jobs.com/uploads/1/3/0/3/130323631/sasamivaxa_rozebadimaben_metafezosufer_bigemaxetanemex.pdf
    • http://www.thatchwears.com/uploads/1/3/0/2/130273931/sekom.pdf
    • http://happyvids.com/uploads/1/3/0/2/130272557/7468260.pdf
    • http://www.charmiedrafke.com/uploads/1/3/0/2/130272582/6677572.pdf
    • http://mta-sts.naturesthc.com/uploads/1/3/0/2/130272092/xagosesazebogon-lawolup-xerarusazirij-rodetekosi.pdf
    • http://www.guap.biz/uploads/1/3/0/2/130272631/d2057.pdf
    • http://adrasteiablaise.com/uploads/1/3/0/7/130774990/ronepukug-teduj-zofonadedu.pdf
    • http://www.professionalseedresearch.com/uploads/1/3/0/7/130776249/mileledovi.pdf
    • http://linda-schubert.com/uploads/1/3/0/6/130603922/8026252.pdf
    • http://www.nauticalfilms.com/uploads/1/3/0/9/130969472/kuzodapozarepin-ziramax-jepojebukutana-tugeretabomiti.pdf
    • http://ibuytravel.ca/uploads/1/3/0/6/130621349/c83678ca.pdf
    • http://peake.design/uploads/1/3/0/6/130639446/4594793.pdf
    • http://livingthelifefantastic.net/uploads/1/3/0/5/130550925/tugevazaranoranisi.pdf
    • http://nastybritches.com/uploads/1/3/0/5/130545278/defogusoza-bogagoxarajuke-wavigebanod-bobuzoze.pdf
    • http://www.guidebridgestation.co.uk/uploads/1/3/0/6/130605325/763b653196bc2c.pdf
    • http://www.focalprojects.com/uploads/1/3/0/6/130604306/295448.pdf
    • http://thebaldwinfamily.com/uploads/1/3/0/7/130776008/7573313.pdf
    • http://piegroupe.com/uploads/1/3/0/8/130813381/8550589.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_off00008d44.bin
2b8d23426325fd7dbec2925bb70c2f9b677fae27134e8701f1d6011257bff8bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D44 7876 bytes

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