Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa99239d899a4950…

MALICIOUS

PDF

44.1 KB Created: 2020-04-17 08:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 50d7d25f112fc1e7ff5f1f39391d582c SHA-1: 724ca80997f1c7cdb2d56c2700108a28d5f99a00 SHA-256: fa99239d899a4950d50ae7d720eee2e74d20ec9828e700875d7f3cee94b762d3
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, indicative of a link farm or SEO spam campaign. The document body text, 'Absorb information faster', combined with the numerous links to seemingly unrelated domains, suggests a lure to a network of malicious websites. The primary IOC is the first external URI found, which is also present in the document body.

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://sensitiveminds.org/uploads/1/3/0/7/130775393/130775393.html#absorb+information+faster
    • http://southfloridafarmers.com/uploads/1/3/1/6/131636775/wipijizavi_wanawapuz_likoge.pdf
    • http://voterichardnewton.com/uploads/1/3/1/3/131381048/8750615.pdf
    • http://briglialawfirm.com/uploads/1/3/0/9/130969907/715e7de8cf1.pdf
    • http://expatchronicals.com/uploads/1/3/0/7/130775980/f8a00cf0dbaf.pdf
    • http://becausesanity.org/uploads/1/3/0/7/130739460/9f54a303.pdf
    • http://mickbateman.com/uploads/1/3/0/7/130739776/dizip_juwegiwapizo_daxusoju_fuzomewagil.pdf
    • http://sidingsiding.net/uploads/1/3/0/7/130740077/dd9e4befe5c.pdf
    • http://ucfamherst.com/uploads/1/3/0/6/130620937/seviluxogipi_xisikekovitet.pdf
    • http://anjelirelkins.com/uploads/1/3/1/1/131164435/7160753.pdf
    • http://moonthegoddess.com/uploads/1/3/0/5/130546024/7024496.pdf
    • http://eventplanningbasildon.com/uploads/1/3/1/4/131407029/jasipotawona_fidubosa_lilurixibefiku.pdf
    • http://bindum.com/uploads/1/3/0/9/130969896/9031172.pdf
    • http://boostersetsuk.com/uploads/1/3/0/4/130490833/xixurivasejuxogexa.pdf
    • http://zenwich.co/uploads/1/3/1/4/131407708/bupugifepod.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_off00008430.bin
48b985859b9b8b1a9e33ecbd199957fc55bc61bd89a7975a56c037f876203a55		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8430 7864 bytes

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