Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd2e721bd487b015…

MALICIOUS

PDF

31.5 KB Created: 2020-03-09 06:45:52 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 58e704723c818dcdef8606bb1f9a243c SHA-1: e56635353cfb39581eabf2468bc7c885cc591e16 SHA-256: cd2e721bd487b015d439ae3b7ef0d1cdb53853ddbb39b6fb180656e5c2dfb933
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are dynamically generated and point to unrelated content, indicating a link farm or SEO spam tactic. The document body, though partially corrupted, contains text related to devotional songs and references to the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The primary goal appears to be directing users to a network of potentially malicious websites.

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://www.kelseyandmichael.rominastiebenphotography.com/uploads/1/3/0/4/130436159/130436159.html#telugu+ayyappa+devotional+mp3+songs
    • http://localizegps.com/uploads/1/3/0/3/130323329/ronigoza_mekidegafiwama_ranomaxigexad_bonadat.pdf
    • http://bytemetric.com/uploads/1/3/0/8/130874156/8178665.pdf
    • http://thereedmachine.com/uploads/1/3/0/6/130621140/4938909.pdf
    • http://www.communityfirstlennoxtown.co.uk/uploads/1/3/0/6/130639790/delavakotofus-kudanojig-zenijidizi.pdf
    • http://verynicetruck.site/uploads/1/3/0/7/130740124/35fdaaf6f.pdf
    • http://pleazeus.com/uploads/1/3/0/4/130483407/karov_xurizorisujuxal_wuzada.pdf
    • http://ecolivinghk.com/uploads/1/3/0/3/130313567/c469f3.pdf
    • http://vineetchopra.com/uploads/1/3/1/0/131071188/4548836.pdf
    • http://leapfrogcamo.ca/uploads/1/3/0/6/130603941/kuzuwowomuw.pdf
    • http://surrender2himlife.com/uploads/1/3/0/4/130483858/5dd92550a5c642.pdf
    • http://crownchoiceproductions.com/uploads/1/3/0/8/130873946/a5fd39baec.pdf
    • http://nzpaintco.clientdemo.co.nz/uploads/1/3/0/7/130775142/76d72c0ce01.pdf
    • http://www.instantprojects.net/uploads/1/3/0/6/130621840/468629.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_off000053b5.bin
8aa356fe8c7deaeea3a54b05e6f69ec789e075328110562632fd30351502449a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53B5 7544 bytes

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