Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd65ff80dfc11b2b…

MALICIOUS

PDF

53.1 KB Created: 2020-04-01 11:22:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 534b5ea398d3e702d1bac0c0131c849e SHA-1: 02f71da212cbeb0452e6b347bbe4988469777ecb SHA-256: dd65ff80dfc11b2bf93c2dc665f5ae2beee809b9f76c1e2e6b32d1fc4483e802
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, many pointing to similarly structured URLs on different domains, indicating a link farm for SEO purposes. The document body contains garbled text and some of the extracted URLs, suggesting an attempt to disguise the malicious intent. No scripts were extracted from this sample, but the extensive link farm points towards a phishing or malware distribution scheme.

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://rochecenter.org/uploads/1/3/0/6/130621852/130621852.html#relacion+intraespecifica+familiar+ejemplos
    • http://ethiopian.solutions/uploads/1/3/0/6/130604324/35aaa2e916850c6.pdf
    • http://txinvite.com/uploads/1/3/1/4/131437139/pejotafelukeba-veremawij-wixasufodune-fivoj.pdf
    • http://kacigraceco.com/uploads/1/3/0/5/130590195/sitezuselajimaxitoz.pdf
    • http://kotdobryak.site/uploads/1/3/0/5/130538880/a474b58df8b2.pdf
    • http://rorymc.ca/uploads/1/3/0/9/130969885/5274f349.pdf
    • http://ggsrazzledazzle.com/uploads/1/3/1/0/131069766/gerevujet-ruxawimikiv-tisotalenodawaw.pdf
    • http://empirebullz.com/uploads/1/3/1/3/131381553/nupofajomudonu-xajali-fewulifuz.pdf
    • http://homebuilderstlouis.com/uploads/1/3/0/4/130479570/vixiruza.pdf
    • http://mecatta.com/uploads/1/3/0/4/130476447/417358860d6fd.pdf
    • http://ninthdistrictdems.org/uploads/1/3/0/5/130540077/kitiguguzazixo_jazepamugexetef_mevafakuxifef_nufowade.pdf
    • http://metuchenlibraryteens.org/uploads/1/3/0/9/130968958/jujatikeritedubugi.pdf
    • http://consorzioesaedro.com/uploads/1/3/0/6/130604617/977fc58983ed8.pdf
    • http://hagibborim.org/uploads/1/3/0/7/130738951/subimi.pdf
    • http://arteecreazioni.com/uploads/1/3/0/2/130272963/vufipateziwu-posajukufedit-pekoni.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_off0000a275.bin
8940714dd066b6aa151ab713f3e4f34130836190f01b777c972d1097a2e1777d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA275 9868 bytes

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