Malicious PDF — malware analysis report

Static analysis result for SHA-256 914cc59a7076e8e6…

MALICIOUS

PDF

33.2 KB Created: 2020-03-25 07:48:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0214417f3d5c097dc467db7c76a272c0 SHA-1: 0b85197840f0519ae60bcf48f9ec20b73bcf10eb SHA-256: 914cc59a7076e8e603166f2666860fb2ef27eb410000338bcf9a27b0f40ec8ef
70 Risk Score

Malware Insights

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

The PDF document contains numerous embedded links, a common tactic for SEO poisoning and driving traffic to malicious sites. The document body, though heavily obfuscated, contains a URL that appears to be part of this link farm. The presence of a 'download button' heuristic further suggests a lure to entice users to click on these links. The primary goal appears to be directing users to external, potentially malicious, content.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://peanutgalleryphotography14.com/uploads/1/3/0/5/130545194/130545194.html#singer+321+memo+matic+knitting+machine
    • http://www.nasiiclothing.us/uploads/1/3/1/0/131070476/7504570.pdf
    • http://trendytabs.com/uploads/1/3/0/9/130969963/5415413.pdf
    • http://www.unante.co.uk/uploads/1/3/0/2/130289224/7756666.pdf
    • http://alanjonesart.com/uploads/1/3/0/3/130323527/livubewikijif.pdf
    • http://adoucisseurs.info/uploads/1/3/0/5/130539800/1bcfe401954012.pdf
    • http://joanmkane.com/uploads/1/3/0/4/130483928/rovokodupag_kudefeve_vevibikigatek_jidosibedozop.pdf
    • http://www.explorerseducate.co.uk/uploads/1/3/0/7/130775540/b331445.pdf
    • http://mellyoraashley.com/uploads/1/3/0/6/130620835/8752478.pdf
    • http://pecb-nordics.com/uploads/1/3/0/8/130874681/3269374.pdf
    • http://anopenproject.ca/uploads/1/3/0/4/130489386/1756338.pdf
    • http://citipointefoundation.com/uploads/1/3/0/5/130543837/8fb004.pdf
    • http://rivernileinternationalchurch.com/uploads/1/3/1/1/131164185/89f950c0b.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_off00005913.bin
b40cab672c452982c65b05e102023140694f03b644809e7a2c70accbafa4a33b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5913 7896 bytes

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