Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e40ff014f1af5a1…

MALICIOUS

PDF

42.9 KB Created: 2020-04-01 23:15:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 33994ef96ab9fae0ae9feeca8de52e7e SHA-1: d2ee05bc39e4a9ba9b0b72c0568dc3f15046b6ce SHA-256: 9e40ff014f1af5a1cfa9d4260bccfa7f33e79a8cc2475cc32823093331ab2615
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO poisoning tactic. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common method to bypass gateway security. The embedded URLs are likely part of this lure, directing users to potentially malicious content. No scripts were extracted from this sample.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://treasures4yourheart.com/uploads/1/3/0/5/130543536/130543536.html#ver+mas+falsas+apariencias+online+me
    • http://universityanesthesiology.com/uploads/1/3/0/6/130639203/4858039.pdf
    • http://mindmakeoverprogram.com/uploads/1/3/0/4/130477249/tidaga-sigiloto-nijilu-bolimene.pdf
    • http://courtneythevirtualassistant.com/uploads/1/3/0/3/130379251/6375195.pdf
    • http://suchesfarmersmarket.org/uploads/1/3/0/5/130542996/baburuzenoremapiwu.pdf
    • http://backontrackagent.net/uploads/1/3/0/4/130490786/01f2982bff47b.pdf
    • http://terivo.com/uploads/1/3/0/3/130313194/jaduzi.pdf
    • http://kylicobeauty.com/uploads/1/3/0/8/130874403/napoferiz.pdf
    • http://sweepcongresscleanin2014.com/uploads/1/3/0/3/130379769/kujurus.pdf
    • http://thefitmamma.online/uploads/1/3/1/1/131163832/mapokodibawijejup.pdf
    • http://sageguidance.net/uploads/1/3/0/3/130379292/fuwuz.pdf
    • http://slaten-wedding.rominastiebenphotography.com/uploads/1/3/0/2/130291474/b9369.pdf
    • http://itsexoticcreations.com/uploads/1/3/0/4/130476885/bowatenumotafi_vamozasijekez.pdf
    • http://paulelderlocal290.com/uploads/1/3/0/6/130621412/1890804.pdf
    • http://septicpumpliftstations.com/uploads/1/3/0/4/130483911/bugitojivevapamoxa.pdf
    • http://hoptubs.com/uploads/1/3/0/5/130541743/fc972e238.pdf
    • http://ketchikaneaglecove.com/uploads/1/3/0/6/130639901/togakudulamuxi.pdf
    • http://fullpotentialcoaching.net/uploads/1/3/0/7/130775256/32fbb8.pdf
    • http://blissfulbeauty.net/uploads/1/3/0/6/130639395/d3dc14.pdf
    • http://maggiemayweb.com/uploads/1/3/0/3/130323109/9035353.pdf
    • http://dabbletv.com/uploads/1/3/1/3/131378840/b25afad5f3d77.pdf
    • http://dashdesignscomo.com/uploads/1/3/0/5/130551876/lopabi-kugoxisubebu.pdf
    • http://danykenny.com/uploads/1/3/1/4/131408788/d28a3d383eae459.pdf
    • http://paradigmfactory.com/uploads/1/3/0/6/130604594/5971946.pdf
    • http://limitlessautoandsales.com/uploads/1/3/0/6/130604787/22685.pdf
    • http://limitlessautoandsales.com/uploads/
    • 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_off00007913.bin
19de41d4dd98caedda1514f636e120fa2249c7b0078ba275a53ef1b3015d418d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7913 9764 bytes

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