Malicious PDF — malware analysis report

Static analysis result for SHA-256 944a9bf5be6e8e3b…

MALICIOUS

PDF

35.1 KB Created: 2020-06-04 07:14:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 57634e1ef8f396fb46933e000334fdb4 SHA-1: f9fc42500d8a1dad6aad3b828e92cc457b2cb07d SHA-256: 944a9bf5be6e8e3b6f03109812633af72769320e85579000ce600fb8a0839153
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files and HTML pages hosted on numerous domains. The primary purpose appears to be SEO manipulation or distributing malicious content through these links. No scripts were extracted, and the document body is largely unreadable binary data with some embedded URLs.

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://jennamccabe.com/uploads/1/3/0/4/130488451/130488451.html#no+fear+shakespeare+romeo+and+juliet
    • http://ralucaheim.com/uploads/1/3/0/5/130540281/bifinadolejonit_mupizasojivegav.pdf
    • http://solefulofficial.com/uploads/1/3/0/7/130775395/bigavipenudo.pdf
    • http://brimcghee.com/uploads/1/3/1/8/131856146/24f43ecde2c4d44.pdf
    • http://holisticallyhoned.com/uploads/1/3/0/5/130540010/kovusifuxor_pugotisag.pdf
    • http://biljardservicerg.com/uploads/1/3/0/9/130969563/5582980.pdf
    • http://income-generation.com/uploads/1/3/0/7/130739124/faduroxap-zebokinikep.pdf
    • http://eifel-vakantiehuis.com/uploads/1/3/0/5/130589328/sururemepavufes_pafoninuge.pdf
    • http://jennamccabe.com/uploads/1/3/0/4/130488451/terms.html
    • http://jennamccabe.com/uploads/1/3/0/4/130488451/dmca.html
    • http://jennamccabe.com/uploads/1/3/0/4/130488451/policy.html
    • https://molowar.files.wordpress.com/2020/06/jafevisuzoj.pdf
    • https://jimiluwubu.files.wordpress.com/2020/06/samiredabilejifenewi.pdf
    • https://zoroxozuwo.files.wordpress.com/2020/06/lijexarizokuniwimil.pdf
    • https://fijumagowuxu.files.wordpress.com/2020/06/81799832644.pdf
    • https://kibawof.files.wordpress.com/2020/06/52827418011.pdf
    • https://baxebebuv.files.wordpress.com/2020/06/fokelixugenegojenopuv.pdf
    • https://tetubupi.files.wordpress.com/2020/06/sivadinedasut.pdf
    • https://vabosonugaku24055612.files.wordpress.com/2020/06/1294852583.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_off00005e6c.bin
b788b64f43a96649fda0a9767559f7db656c55640224d695a8138600b168fbd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E6C 9996 bytes

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