Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef721f62494324c6…

MALICIOUS

PDF

38.0 KB Created: 2020-03-26 04:19:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7ec41bb5078bf8a8fbe29a8ac11e3713 SHA-1: db1da43bdc53c9b08ced99e6e5a9071674fbec71 SHA-256: ef721f62494324c6052c2aa842e3ed2375a996318696889d1ebfa56894002e30
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, characteristic of a SEO link farm or a phishing lure. The document body itself is largely unreadable, but the presence of numerous URLs suggests an attempt to direct users to potentially malicious content hosted on external domains. 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://sbcsjn.com/uploads/1/3/0/4/130476203/130476203.html#especies+del+reino+monera
    • http://thenavigatorproject.com/uploads/1/3/0/6/130639836/pejufojox.pdf
    • http://saskcorpservices.com/uploads/1/3/0/5/130590702/7315906.pdf
    • http://autodiscover.urbanaohio.com/uploads/1/3/0/7/130739254/likatijut.pdf
    • http://www.michellemarabella.net/uploads/1/3/0/9/130969627/jozutipirenabexizo.pdf
    • http://mta-sts.mx.tamadyra.com/uploads/1/3/0/6/130604778/kifibozexe-mavudekejeb-zemozerox.pdf
    • http://themysticalnomad.com/uploads/1/3/0/5/130540642/deferusuwo-sipuwinimu-xadim.pdf
    • http://serviceoftheplan.org/uploads/1/3/0/7/130740019/7979116.pdf
    • http://dontforgetyourluggage.com/uploads/1/3/0/5/130551064/dabixevir_vedubi_darizeve_zavakubi.pdf
    • http://gracedigitalsupport.com/uploads/1/3/0/6/130622106/lapakigefe.pdf
    • http://soapmeplease.com/uploads/1/3/0/8/130813305/9948801.pdf
    • http://www.marinotileinc.com/uploads/1/3/0/9/130969470/5fcad.pdf
    • http://yogines.net/uploads/1/3/0/5/130546759/34b67e0440c.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_off00006c30.bin
50999eea60416098dd7699a887e1eb1c12ea502c81a4c2f3056e4c600f7998bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C30 8004 bytes

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