Malicious PDF — malware analysis report

Static analysis result for SHA-256 d979bc351fa33fad…

MALICIOUS

PDF

35.4 KB Created: 2020-04-03 07:30:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3e62a049c0ca2762693652db4feeff94 SHA-1: 8f180b3457e39eefd80b20d7a1b936b2dd3ab164 SHA-256: d979bc351fa33fad4e138069e810e9127be6d693293938f51b4b05b22aea5111
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are numerically or generically named PDF files hosted on various domains. The document body text, while obfuscated, contains a reference to a "2003 buick rendezvous owners manual" and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The primary attack pattern involves directing users to a link farm of potentially malicious websites.

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://amurdc.com/uploads/1/3/0/5/130588149/130588149.html#2003+buick+rendezvous+owners+manual
    • http://jaycoprestige.com/uploads/1/3/0/5/130588162/logevuvizebizo-wotuwitapu-xonavezox.pdf
    • http://hairychestman.com/uploads/1/3/0/4/130435509/046da7771da0.pdf
    • http://4131southmeadow.com/uploads/1/3/0/4/130476548/bimoke.pdf
    • http://domco.org/uploads/1/3/0/6/130620555/boreronibup_tudilikokoxebi.pdf
    • http://homeagainsoon.com/uploads/1/3/0/8/130813860/f4c38e03e9f9.pdf
    • http://dcunionsquare.com/uploads/1/3/0/3/130313368/8997909.pdf
    • http://healingrituals.com/uploads/1/3/0/5/130539584/telodob.pdf
    • http://l�behjultours.dk/uploads/1/3/0/8/130874125/1a1e8.pdf
    • http://jennilynne.com/uploads/1/3/1/3/131398195/611235.pdf
    • http://caciqueapparel.com/uploads/1/3/0/4/130483070/venapogelimuketuxeb.pdf
    • http://vintagecoutureweddings.com/uploads/1/3/1/4/131407876/9283957.pdf
    • http://ssfamily.org/uploads/1/3/0/5/130589057/5618deed7.pdf
    • http://omahamassagecoupons.com/uploads/1/3/0/6/130603810/komubuvi.pdf
    • http://sys-service.it/uploads/1/3/1/4/131453154/f17de886.pdf
    • http://taipannaturals.com/uploads/1/3/0/5/130551727/be9ced84.pdf
    • http://guayoyo-ve.com/uploads/1/3/0/5/130542983/9952849.pdf
    • http://abstractedperceptions.com/uploads/1/3/0/5/130588964/ripuvo_vosovimowesogik.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_off00006185.bin
cfd725a39e5ceadb02abb25472f40df5d078718881b77483a690f08ae07fa537		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6185 7972 bytes

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