Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cdf9f5eec44530a…

MALICIOUS

PDF

37.9 KB Created: 2020-06-07 10:05:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44b3d0e83504aeb3e6f22d8a71a56eab SHA-1: c50110ae6db91e96c4dd633687f3d1f9762be7d1 SHA-256: 1cdf9f5eec44530ac257ca0e6cd31029dbecedc9b552f029d3a3a7d43853af45
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique often used for SEO link farms or to direct users to malicious sites. The document body, though partially corrupted, references 'Ferris bueller's day off soundtrack' and includes metadata from wkhtmltopdf, suggesting a lure to disguise the malicious intent. The presence of a PDF_SEO_LINK_FARM heuristic firing further supports the conclusion that this document is designed to lead users to a network of potentially harmful 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://easy2life.co/uploads/1/3/0/7/130739544/130739544.html#ferris+bueller%2527s+day+off+soundtrack
    • http://webmail.lauragilliom.com/uploads/1/3/0/2/130289577/rerajipojineb_sesirewesuzu_limozekenox.pdf
    • http://eaglepizzeria.net/uploads/1/3/1/4/131453387/1670009.pdf
    • http://addictiontreatment-oncall.com/uploads/1/3/0/7/130739754/bufusisomuvab.pdf
    • http://joannamenicucci.com/uploads/1/3/0/7/130739158/kujutupumeweram.pdf
    • http://candidateswillsoar.com/uploads/1/3/0/7/130739333/1042976.pdf
    • http://pshandcrafted.com/uploads/1/3/0/9/130969341/dukizabaluxoforoz.pdf
    • http://fabricadefum.net/uploads/1/3/1/4/131438176/damubejo_vogokatuwupisa_jopiravete.pdf
    • http://hostmaster.hms.com.au/uploads/1/3/0/3/130324037/f3352c.pdf
    • http://470.undesirable.us/uploads/1/3/1/1/131164113/tulepi-nugabez-gufavu.pdf
    • http://scarthisworld.com/uploads/1/3/0/7/130775627/zijibidat_xajolizixipa_zateweju_titotevobu.pdf
    • https://jisabiwofif966812601.files.wordpress.com/2020/06/43511062333.pdf
    • https://vizivalafis.files.wordpress.com/2020/06/45860613262.pdf
    • https://gifanoveko220953740.files.wordpress.com/2020/06/rizigi.pdf
    • https://ranatokoko.files.wordpress.com/2020/06/56790022423.pdf
    • https://dezukov.files.wordpress.com/2020/06/wotesosafas.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_off000064cd.bin
be5b3700c3f98607628b78fa2e55c29be9fdec6a7b87ba1002538fb939b9e1bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64CD 12068 bytes

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