Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ee7de517a052fc5…

MALICIOUS

PDF

40.1 KB Created: 2020-04-05 15:07:14 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5cf56b209646870d1b52b2e9a9422cfa SHA-1: c97bb4c86a2cdddac6d0fd4ed4c658cac7521571 SHA-256: 2ee7de517a052fc5eaa3f3544656cdb5b574b6900cbd9c9cf4b1aa2772ce091e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on different domains. The document body text, though partially corrupted, includes the phrase 'Ejemplo de acta constitutiva de la comision mixta de capacitacion y adiestramiento', suggesting a lure related to official documents. The primary function appears to be directing users to a network of linked documents, likely for SEO poisoning or to serve as a distribution point for further malicious content.

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://lifteens.com/uploads/1/3/1/1/131164534/131164534.html#ejemplo+de+acta+constitutiva+de+la+comision+mixta+de+capacitacion+y+adiestramiento
    • http://qrcodepros.biz/uploads/1/3/0/6/130604911/3121135.pdf
    • http://thebarkingoven.ca/uploads/1/3/0/7/130739446/a82f6c3e.pdf
    • http://myhiphope.com/uploads/1/3/0/3/130323517/nogamej.pdf
    • http://friendsofsclm.com/uploads/1/3/0/6/130639439/liwimuselokuk_supewo.pdf
    • http://myinnerliftmd.com/uploads/1/3/0/6/130620966/9311349.pdf
    • http://pitterpatterdogcare.com/uploads/1/3/1/3/131379643/wimuvux.pdf
    • http://enginesoferos.com/uploads/1/3/1/4/131453406/numividevularen.pdf
    • http://divinedisordersupply.com/uploads/1/3/0/5/130551386/1622610.pdf
    • http://kaderfilm.de/uploads/1/3/0/7/130739510/sazegomirip.pdf
    • http://jstevenjohn.com/uploads/1/3/0/8/130873994/wofevok.pdf
    • http://therevolutionist.info/uploads/1/3/0/4/130476496/jakebejotadet_vegatelufe.pdf
    • http://callthetechguys.com/uploads/1/3/0/7/130738803/8212a31b86221.pdf
    • http://simwarekits.com/uploads/1/3/1/3/131383839/5270306.pdf
    • http://aspoolquiltingco.com/uploads/1/3/0/5/130590384/lemuwozek-dodevufir-jaletexeso-fananese.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_off00006f73.bin
b15da97a5a712df7ff94b092cfcd2dfdd5ac77677b621725cb7871674d2859d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F73 9392 bytes

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