Malicious PDF — malware analysis report

Static analysis result for SHA-256 78d852c0f1c35c95…

MALICIOUS

PDF

43.9 KB Created: 2020-06-18 03:06:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 672479bc8c6a36a1b74001acc628efb7 SHA-1: e411a45bcf23699af05db29665fd318c81cde717 SHA-256: 78d852c0f1c35c9520de676475ccd89f70e68887ecea6db2706be82cd8b3358d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links likely serve to manipulate search engine rankings or redirect users to malicious content. The document body contains a reference to a 'gumpaste high heel shoe tutorial', which appears to be a lure to disguise the malicious nature of the document. No scripts were extracted from this sample.

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://kirstenmarion.com/uploads/1/3/0/6/130639605/130639605.html#gumpaste+high+heel+shoe+tutorial
    • http://labelle-qatar.com/uploads/1/3/2/3/132302970/lotumo-giwomugam-ladudepaseve-mewon.pdf
    • http://tryonautocare.com/uploads/1/3/1/6/131607119/29aaf2b2976e5.pdf
    • http://essentialeyecare.info/uploads/1/3/0/5/130546343/6974427.pdf
    • http://ubrj.online/uploads/1/3/0/6/130604162/7c6237f745700ac.pdf
    • http://webmail.bridgesidebooks.com/uploads/1/3/0/7/130776152/840f6ba175ab.pdf
    • http://admlabz.com/uploads/1/3/1/3/131380546/c9a49eb3873f.pdf
    • http://buythedangboots.org/uploads/1/3/0/6/130639784/3085484.pdf
    • http://brendalacasse.com/uploads/1/3/0/2/130271205/73fa67c.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d96.bin
7afddc0fe0f59fe707928599339a601a2448ae4f3564904c25c8bacef9e376cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D96 5040 bytes
font_01_sfnt_off00007ec5.bin
b0ce6b34c2c1a2342c14c1208cbad558fad187c7384566dc991b9f49e9e368b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EC5 10728 bytes

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