Malicious PDF — malware analysis report

Static analysis result for SHA-256 37242e230eba5f2b…

MALICIOUS

PDF

37.4 KB Created: 2020-04-05 14:15:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9415f8878baa9855046bee404875bb14 SHA-1: 07cca8f683e821ce028a92401696ab98679d9248 SHA-256: 37242e230eba5f2b3a8fd35ec0c1edcfde640963fbbb04460c32d1c2731ff6da
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. One of these links, http://bellacamila.com/uploads/1/3/0/4/130435649/130435649.html#clave+lada+de+san+pedro+tlaquepaque, is directly visible in the document body. This suggests a tactic to drive traffic to potentially malicious or deceptive websites, possibly for SEO manipulation or to host further stages of an attack.

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://bellacamila.com/uploads/1/3/0/4/130435649/130435649.html#clave+lada+de+san+pedro+tlaquepaque
    • http://nearspaceengineering.org/uploads/1/3/1/4/131438510/1fad52e3dbc.pdf
    • http://bellamyboutique.com/uploads/1/3/1/4/131410662/lujubisaxoxi.pdf
    • http://privacypolicypetition.org/uploads/1/3/0/7/130739978/soguduwixoz.pdf
    • http://shakingsheep.com/uploads/1/3/1/3/131381003/3068081.pdf
    • http://sascpgtd.com/uploads/1/3/1/3/131384555/c4b7c7d.pdf
    • http://thevillagebacksmithwellness.com/uploads/1/3/1/3/131384055/pubusepesufuli_joxuwa_zuwadabigujiru.pdf
    • http://valere.us/uploads/1/3/0/5/130551002/9245686.pdf
    • http://riautoelectric.com/uploads/1/3/0/7/130775461/dijomowabafidubosaf.pdf
    • http://gen3painting.com/uploads/1/3/1/4/131437046/e5c22f2b.pdf
    • http://enchantmescents.com/uploads/1/3/0/6/130604758/7991986.pdf
    • http://llxprogram.com/uploads/1/3/0/6/130639172/gowopubigixaro.pdf
    • http://4healthnbalance.com/uploads/1/3/0/4/130435937/dumuzob_bovalukiru.pdf
    • http://seeatlsights.com/uploads/1/3/0/5/130539244/9321035.pdf
    • http://sailorstudio.com/uploads/1/3/0/7/130740378/05c982385c1.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_off00006820.bin
4d11cab5737614f3794b86db4f67bc419d60680ee6f9a8195448719be14d33c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6820 8464 bytes

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