Malicious PDF — malware analysis report

Static analysis result for SHA-256 db979f8a0a3673ea…

MALICIOUS

PDF

59.6 KB Created: 2020-03-30 14:53:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fbc93895bb1c3450e23dee042f63c72 SHA-1: 1c15ff04295696b1c64fc6bdb52ca852bd469ef0 SHA-256: db979f8a0a3673ea803ef6563c65b21306eac9299cd9b71411dabc32c0b31856
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 User Execution

The PDF file contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The primary heuristic identified a "PDF_SEO_LINK_FARM" with 30 external links, suggesting an attempt to manipulate search engine results or redirect users to potentially harmful sites. 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://premedpursuit.com/uploads/1/3/0/6/130605389/130605389.html#the+bro+code+espa%C3%B1ol+latino+pdf
    • http://cosplaydirect4u.com/uploads/1/3/0/6/130640072/newuwo.pdf
    • http://mantrafarm.com/uploads/1/3/0/8/130874354/fufaf.pdf
    • http://sakarifamous.com/uploads/1/3/0/5/130545597/zepawasipilebu-pufibo-sufiwufav.pdf
    • http://milhasdesucesso.com/uploads/1/3/0/4/130483198/gafubisibu-zobejebekekowab-momareku.pdf
    • http://mrdoghk.com/uploads/1/3/0/5/130545557/4064005.pdf
    • http://wiseonreading.com/uploads/1/3/0/5/130541623/buvotobaweti-jaligurujokeke-lidiluwaxikig-komujovafi.pdf
    • http://alignedinstruction.com/uploads/1/3/0/2/130288722/wefelofepidiw.pdf
    • http://closecuk.com/uploads/1/3/0/3/130323491/6f34b95c8.pdf
    • http://www.gslfju.com/uploads/1/3/1/4/131407469/222064aed.pdf
    • http://productsbeast.com/uploads/1/3/0/5/130543837/wumumogumixijafife.pdf
    • http://bluegrassbotanic.com/uploads/1/3/1/3/131383486/ponikebisigipojozes.pdf
    • http://gabrielaschaar.com/uploads/1/3/0/2/130274267/545ea170128.pdf
    • http://khatibenergy.com/uploads/1/3/0/4/130493714/9163113.pdf
    • http://restorehouse.org/uploads/1/3/1/3/131380024/zugafuxadepa.pdf
    • http://cbputzulu.com/uploads/1/3/1/1/131164430/jelasegoxawiw_kukijovasesit_kifezelum.pdf
    • http://mysocalledchroniclife.com/uploads/1/3/0/6/130639251/8124671.pdf
    • http://www.divinesacredbirthing.com/uploads/1/3/1/4/131437502/1edbe070d.pdf
    • http://handymanelginil.com/uploads/1/3/0/7/130775516/9298104.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_off0000be7d.bin
08ae999573f1f9a7211a2b8bfa99b474a8e111756756ec47014ea9d9f405203c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE7D 8660 bytes

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