Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee26aad79a05b508…

MALICIOUS

PDF

43.9 KB Created: 2020-04-08 21:42:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6caa1231c372e64d94e27d0ea694ebba SHA-1: b9232134d2cfecb60c9c2370dda8f5b3f1b1be90 SHA-256: ee26aad79a05b508b622e4cc5e1ce4bc3dba398a69e5776b99c8c551484f09e5
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, many of which point to other PDF files hosted on similar domains. The document body text mentions 'Clark c500 ys60 service manual', suggesting a lure to trick users into visiting these links. The PDF_SEO_LINK_FARM heuristic indicates a pattern of creating numerous links to obscure the true malicious intent. The primary attack pattern involves directing users to a network of potentially malicious 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://jessicalgervaisbooks.com/uploads/1/3/0/6/130620854/130620854.html#clark+c500+ys60+service+manual
    • http://pbessence.info/uploads/1/3/0/9/130969214/1186142.pdf
    • http://itdirectorsclub.com/uploads/1/3/0/3/130379517/lupow-semaso-kiwagafew-lakalefofiwotu.pdf
    • http://zenmesubscriptions.com/uploads/1/3/1/0/131069968/f9663ae.pdf
    • http://balmaround.com/uploads/1/3/0/7/130740496/fexoxejatosumizuf.pdf
    • http://lasdamasonline.com/uploads/1/3/0/5/130588378/baxivoxujisejer.pdf
    • http://shaylaecole.com/uploads/1/3/0/5/130588799/pofamevol.pdf
    • http://andreandgretchen.com/uploads/1/3/0/3/130379206/zirozagu.pdf
    • http://additiveology.com/uploads/1/3/0/4/130476563/bizatozod.pdf
    • http://goodstewardsofrockingham.org/uploads/1/3/0/4/130483052/9961203.pdf
    • http://hermeshaswings.com/uploads/1/3/0/5/130589219/ce85730a94.pdf
    • http://pflagnorwalk.com/uploads/1/3/0/6/130621915/tebekijinut.pdf
    • http://schoolofslide.com/uploads/1/3/1/4/131453892/watutononeb-ladavelad-rexidebofefejaf-sovovil.pdf
    • http://thorntonfences.com/uploads/1/3/1/4/131454221/397980.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_off00008199.bin
0cf4393be1e7416f0cc78b0633944075bd5ec5d562a497caf2c13a61ec0ce29e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8199 8552 bytes

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