Malicious PDF — malware analysis report

Static analysis result for SHA-256 e08cf1aebcbb7880…

MALICIOUS

PDF

42.1 KB Created: 2020-03-27 03:30:41 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a6c25f4a3a27022f25ac2dad8a637dc1 SHA-1: 366193429022fb8f8536d53941fd87f7a38e3bbb SHA-256: e08cf1aebcbb7880846bb7991f91c10dddeeaff41e25693721cac9e405728e9e
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body text and embedded URLs indicate a lure related to downloading song files. The presence of a "Visual download / call-to-action button lure" heuristic further supports the social engineering aspect of this attack. The primary intent appears to be directing users to download potentially malicious content from the listed URLs.

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://makingmusiconenoteatatime.net/uploads/1/3/0/7/130739258/130739258.html#tamil+new+songs+download+zip+file
    • http://mentalhealthhelpforyou.org/uploads/1/3/0/6/130622051/lawivonimulaxezoxev.pdf
    • http://mta-sts.clarepaniccia.com/uploads/1/3/0/6/130640136/zakuzisugubizutonoji.pdf
    • http://127press.com/uploads/1/3/0/8/130813588/jowenowerexin.pdf
    • http://www.creatingspaceyourway.com/uploads/1/3/0/6/130603942/3449620.pdf
    • http://qnek.net/uploads/1/3/0/6/130640072/tekomonuwujina.pdf
    • http://bipolar-girl.com/uploads/1/3/0/2/130288462/rofapunab-wedup-gizipidowimo-filebirim.pdf
    • http://mail.fiddespayneshop.com/uploads/1/3/0/6/130604772/66bff20276e.pdf
    • http://johnsati.com/uploads/1/3/0/8/130815026/xotelasipatam.pdf
    • http://wildwoodviolin.com/uploads/1/3/0/7/130775134/zazagiwodokop.pdf
    • http://www.group-itc.eu/uploads/1/3/0/8/130873902/0599e62.pdf
    • http://siloinc.net/uploads/1/3/0/4/130435637/d4db22a3b4f2.pdf
    • http://dadailyderp.com/uploads/1/3/0/9/130969814/fcc71b.pdf
    • http://jmbproducts.com/uploads/1/3/0/6/130639335/897818.pdf
    • http://standardcleannorthwest.com/uploads/1/3/1/0/131070979/5542595.pdf
    • http://kingofpowerwash.com/uploads/1/3/0/7/130776298/mugosigipazobax.pdf
    • http://missiondrivenresources.com/uploads/1/3/0/6/130622103/jawisekuwetavu_kedot_puwogufikusuxo.pdf
    • http://www.godshouseofhealingandrestoration.org/uploads/1/3/0/6/130622120/2829465.pdf
    • http://out-the-back-door.com/uploads/1/3/0/7/130738644/5494270.pdf
    • http://specifyallproof.com/uploads/1/3/0/4/130488270/tipab_kumakiwopor.pdf
    • http://www.silverboxboutique.co.uk/uploads/1/3/0/3/130323160/vezoveto_sibelifosanubed_patojugidukile_nidubu.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_off00007b3e.bin
ba4289f25942de14a5906f464c685038734d4b601d181533c6d5b7c3e0e66cc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B3E 8216 bytes

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