Malicious PDF — malware analysis report

Static analysis result for SHA-256 eced8b1ba4c290b5…

MALICIOUS

PDF

35.5 KB Created: 2020-06-13 12:08:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 668bba999d92eddb80e3a71dd32960b8 SHA-1: 3ebd1d592d43ebaf446ea6dc9da91d19b833007c SHA-256: eced8b1ba4c290b50339c04ae84b5e772409e00264a5eb6c915d344b6ed2d94d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a common tactic for SEO poisoning or directing users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating the document is designed to host a farm of links. The embedded URLs point to various PDF files hosted on different domains, suggesting a distribution mechanism for further malicious content or phishing attempts.

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://shop.lifeafternarc.com/uploads/1/3/0/3/130379094/130379094.html#%25D0%25B0%25D0%25B1%25D0%25B2+%25D0%25BF%25D0%25BE%25D1%2589%25D0%25B0+%25D0%25BF%25D1%258A%25D0%25BB%25D0%25BD%25D0%25B0+%25D0%25B2%25D0%25B5%25D1%2580%25D1%2581%25D0%25B8%25D1%258F
    • http://74-123-78-6.mgwnet.com/uploads/1/3/0/7/130775118/2486787.pdf
    • http://growthdomain.com/uploads/1/3/1/0/131070710/fegeforanalakurefojo.pdf
    • http://kristenconley.com/uploads/1/3/0/4/130436426/1665349.pdf
    • http://digitalsignagearchitect.com/uploads/1/3/0/5/130539357/3573223.pdf
    • http://mobilefontc.org/uploads/1/3/0/2/130289636/guzesetaxi_sipivigo.pdf
    • http://jonstuartpearson.com/uploads/1/3/1/8/131871517/738807.pdf
    • http://certa.xyz/uploads/1/3/0/8/130814296/jogirusonev.pdf
    • http://grandmasbaklava.com/uploads/1/3/1/6/131606241/palotejufukajope.pdf
    • https://xawufejuzo.files.wordpress.com/2020/06/8677322614.pdf
    • https://xevabutifun.files.wordpress.com/2020/06/sadoxupele.pdf
    • https://kasibaker.files.wordpress.com/2020/06/zafamolisasiwirogaraliliv.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_off000051ce.bin
f4f917732ef39dbbffdb4ec66cd119f4fb8a962d0c965b1162c1a46045a3a36d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51CE 15256 bytes

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