Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c960389888ec39f…

MALICIOUS

PDF

46.1 KB Created: 2020-03-27 02:45:47 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84c59dcdce38eaa3f7a7489e69914614 SHA-1: c73e7e531dcaec1d70537613a96b68eac41cb727 SHA-256: 4c960389888ec39f2d43115370f378672672275d70f141f822951cc511812466
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Stage Capabilities: Gather Victim Identity Information T1204 User Execution: Malicious Link

The PDF file contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine ranking for malicious sites. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific payload.

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://crockettwest.com/uploads/1/3/0/7/130739758/130739758.html#bible+verse+on+influence+of+others
    • http://argylemangoes.com/uploads/1/3/0/2/130289749/1008627.pdf
    • http://tailgate-guys.com/uploads/1/3/0/7/130738675/zidajiritidu.pdf
    • http://electkimforjustice.com/uploads/1/3/0/7/130775334/xejoboko_laligagojudi_tagepegadop_xexupisavug.pdf
    • http://kingofgamez.com/uploads/1/3/1/0/131071043/bifelusi.pdf
    • http://aquasnowburst.com/uploads/1/3/0/7/130738723/dozuvivopulek.pdf
    • http://summer-gao.com/uploads/1/3/0/5/130590261/gufebuw.pdf
    • http://aliedwards.org/uploads/1/3/0/4/130483632/dugebimanudoxekapo.pdf
    • http://pshr.ch/uploads/1/3/0/5/130588937/ripusejow.pdf
    • http://adventuresincatlantus.net/uploads/1/3/0/7/130739635/07dcbdd6c663a.pdf
    • http://reparacionpersianas.org/uploads/1/3/0/5/130589339/firuj-bufadamul-pimudigi-nenixidi.pdf
    • http://corbeauphotos.com/uploads/1/3/0/8/130813692/fcc24806c99e.pdf
    • http://nordlichtkennelsllc.com/uploads/1/3/0/5/130590457/0bb98d000af.pdf
    • http://cowboychristmasapp.com/uploads/1/3/0/6/130639956/8465415.pdf
    • http://corvuspress.net/uploads/1/3/0/5/130589007/fimonak-rekipiluvoliv-kisegovi.pdf
    • http://www.favoritzrestarauntandlounge.com/uploads/1/3/1/0/131071095/sezivogasokem.pdf
    • http://stnvacations.voyagerwebsites.com/uploads/1/3/0/4/130435716/df42260025305.pdf
    • http://caribbeanflavorsrestaurant.com/uploads/1/3/0/5/130544387/weramafeziwusojur.pdf
    • http://drjakejackson.com/uploads/1/3/0/8/130874286/boxuzerijigix_lulazamibeta_pitip.pdf
    • http://thegadisem.org/uploads/1/3/0/2/130289482/26f08b.pdf
    • http://gallery-imperial.com/uploads/1/3/0/2/130287302/vatawixarobep.pdf
    • http://panacea3sucks.net/uploads/1/3/0/6/130621657/0e35064aeef9d5.pdf
    • http://soaresinnovationllc.com/uploads/1/3/0/3/130379132/vowikazejawa.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_off00008d2d.bin
9db21b999f2b13693b8282ef38d07c309b82bcf32c84b54bebb23b224bc96389		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D2D 7592 bytes

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