Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0ff1ceb31c8e672…

MALICIOUS

PDF

21.5 KB Created: 2020-04-10 10:42:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7bcc397bc7528264844e92ae0a05375a SHA-1: 9104036ffc42d40947ed2ec58e045e005132dae3 SHA-256: c0ff1ceb31c8e672f2d188fd341fd5064af89dd01471d3e3ac61ecede529837c
82 Risk Score

Malware Insights

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

The PDF file is identified as an image-only lure, typical of phishing campaigns. It contains a large number of external links, many pointing to PDF files hosted on various domains, suggesting a link farm or a method to distribute malicious content. The primary URL identified is http://teachersforsocialjusticelv.com/uploads/1/3/0/2/130274145/130274145.html#apache+camel+in+action+2+pdf, which likely serves as the entry point for the attack.

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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 21 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://teachersforsocialjusticelv.com/uploads/1/3/0/2/130274145/130274145.html#apache+camel+in+action+2+pdf
    • http://themusiciansplayground.org/uploads/1/3/1/1/131163863/jitunevotibevif.pdf
    • http://ihtnews.com/uploads/1/3/1/4/131406013/4860567.pdf
    • http://musehb.com/uploads/1/3/1/1/131164351/1453599.pdf
    • http://ramenerlaplagecheztoi.com/uploads/1/3/0/6/130603852/susisiliriw_paxinisope_vodexede_deros.pdf
    • http://mcclennywoodhousehauling.com/uploads/1/3/0/2/130272877/sefusononon.pdf
    • http://100womenwhocarensc.com/uploads/1/3/0/5/130538859/kukuvijumizigarifonu.pdf
    • http://nvshomes.com/uploads/1/3/0/3/130313193/pitulokelos-pivofesosari-kubolefuzinad.pdf
    • http://middletnrentalhomes.com/uploads/1/3/0/5/130588502/1830924.pdf
    • http://itsabouttimetlc.com/uploads/1/3/0/5/130589179/nisoveb.pdf
    • http://think-bliss.com/uploads/1/3/0/3/130323461/0666f7122c40c6e.pdf
    • http://printmtl.com/uploads/1/3/1/4/131454420/9840353.pdf

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