Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0cb95dc0905fdf6…

MALICIOUS

PDF

38.2 KB Created: 2020-03-22 07:46:32 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 02041b02b547d804482eb63be0481bf6 SHA-1: ec89fd778cf8bba018e27586851fe5826dd8ca0f SHA-256: e0cb95dc0905fdf6c4be9b454116fea6b15bafad6448c8dc917faeb7f1380725
102 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a common tactic for SEO poisoning and directing users to malicious sites. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests the intent is to trick users into believing there are changes to payment instructions, a prevalent Business Email Compromise (BEC) pattern. No scripts were extracted, but the numerous embedded URLs are the primary indicators of malicious activity.

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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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://starcompanyug.org/uploads/1/3/0/5/130541552/130541552.html#can+garageband+export+wav
    • http://mta-sts.sbesparents.org/uploads/1/3/0/6/130605416/4f06c5a0.pdf
    • http://hurricanebusinessclaimspr.com/uploads/1/3/0/5/130589044/mojoxepekazoj_fajilogi.pdf
    • http://myalliedbenefits.com/uploads/1/3/0/5/130588591/948171.pdf
    • http://trccommons.org/uploads/1/3/0/5/130551472/tuzonizar.pdf
    • http://airniamey.com/uploads/1/3/0/6/130639093/famiziburisuxonolo.pdf
    • http://smalltoystore.com/uploads/1/3/0/7/130739126/puwujawizoxaju-levujimipefanal.pdf
    • http://djlarie1.com/uploads/1/3/0/4/130435578/1458680.pdf
    • http://ibmsvr.inforlink.net/uploads/1/3/0/9/130969594/167f3.pdf
    • http://mail.triaddjservices.com/uploads/1/3/0/5/130551375/rabof.pdf
    • http://webdisk.ofganderlake.nl/uploads/1/3/0/2/130272435/8231431.pdf
    • http://vmrenovation.com/uploads/1/3/0/3/130379173/fajobixiw.pdf
    • http://fmark.com/uploads/1/3/0/4/130488101/1875110.pdf
    • http://joshturse.net/uploads/1/3/0/2/130272979/2fce4648fa.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_off00006d42.bin
eb5164b90f27df36476a8f018a1e955ee8b25c27b54063a0e7e0f3ceb0781bb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D42 7908 bytes

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