Malicious PDF — malware analysis report

Static analysis result for SHA-256 c87e0d9bbda31d9b…

MALICIOUS

PDF

40.4 KB Created: 2020-06-06 04:22:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 906b4bb16dd862256461aff0d595db8d SHA-1: 08915fbd0ab26aa2236465d1d10f6a00e34dc1ff SHA-256: c87e0d9bbda31d9b1d0290e2c1749c8f088088924d58881875e8c563ca2cb395
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution network. The document body contains garbled text but also includes some of the URLs, reinforcing the link farm tactic. No scripts were extracted, limiting the analysis of direct payload execution.

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://the-narrow-path.net/uploads/1/3/0/4/130478110/130478110.html#is+the+new+yorker+liberal+or+conserv
    • http://mta-sts.mail.firrunnursery.com/uploads/1/3/0/8/130873787/8d756cab44ebb61.pdf
    • http://draxtonco.com/uploads/1/3/0/3/130323322/0451f293037f686.pdf
    • http://andrewleddy.com/uploads/1/3/0/5/130590180/kepibaxenew.pdf
    • http://irepairair.com/uploads/1/3/0/9/130969465/zijitakiwegabazuz.pdf
    • http://bespokenabout.com.au/uploads/1/3/0/4/130488172/2418800.pdf
    • http://fifawatchlive.com/uploads/1/3/0/6/130620472/3246999.pdf
    • http://angelictouchmassage.org/uploads/1/3/0/4/130483617/midupiko.pdf
    • http://the-narrow-path.net/uploads/1/3/0/4/130478110/terms.html
    • http://the-narrow-path.net/uploads/1/3/0/4/130478110/dmca.html
    • http://the-narrow-path.net/uploads/1/3/0/4/130478110/policy.html
    • https://tugujaza.files.wordpress.com/2020/06/62966312526.pdf
    • https://notetel.files.wordpress.com/2020/06/tenufuvokivotuj.pdf
    • https://befojoteso.files.wordpress.com/2020/06/merozuxusefilo.pdf
    • https://bejuboponoku.files.wordpress.com/2020/06/dusapuwiwoxunugovo.pdf
    • https://rifipefat.files.wordpress.com/2020/06/26193135528.pdf
    • https://sunugadub.files.wordpress.com/2020/06/vepebozak.pdf
    • https://zavijon.files.wordpress.com/2020/06/teguloratukaxepamezimova.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_off0000702c.bin
84859b426a0b72d2b5bfebc693120827575b1d1590905d6cf80e4a4eba6ad051		 pdf-font-stream PDF embedded font (sfnt) at offset 0x702C 10960 bytes

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