Malicious PDF — malware analysis report

Static analysis result for SHA-256 1af4654916f0c2b5…

MALICIOUS

PDF

41.5 KB Created: 2020-04-28 11:53:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 38c77fb223b4ab844fdf11978e7ba603 SHA-1: a973da3b7c450a6ab36bde74fe9fb9ee3eafa428 SHA-256: 1af4654916f0c2b53a662bafb89d3a1184c5b89eb58ba9967a1f82a5c91635ea
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files hosted on similar domains. The document body also contains a URL that appears to be a lure for movie downloads. This suggests a link farm or redirection scheme designed to lead users to 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://mymissblue.com/uploads/1/3/0/3/130323337/130323337.html#ankhon+dekhi+full+movie++mp4
    • http://360k9training.com/uploads/1/3/1/6/131636682/tabosisatedod-titifupogofine-lokadufajutir.pdf
    • http://bindum.com/uploads/1/3/1/4/131438481/xeborodeze.pdf
    • http://40daysweightloss.com/uploads/1/3/1/4/131437544/9207628c9b0.pdf
    • http://mtpersonaltraining.fi/uploads/1/3/0/4/130477663/pixemeladifimapalax.pdf
    • http://jorgeluislinares.com/uploads/1/3/1/4/131453463/jasapajilujufulobi.pdf
    • http://ilmangiatore.com/uploads/1/3/1/1/131164257/bizokubog-malidafesefefi-lininokiki-jeziv.pdf
    • http://samkay-ventures.com/uploads/1/3/0/6/130621152/06d061821596.pdf
    • http://hofladchen.de/uploads/1/3/1/4/131437430/kobamovenejeb-sasuge.pdf
    • http://melissaholdendesigns.com/uploads/1/3/0/6/130621278/wavipiwilewediz-ruxenenixiz-ramarezawesof-vamaparemamasa.pdf
    • http://xbells.net/uploads/1/3/1/4/131405965/9a7f367ff2.pdf
    • http://keeshanix.com/uploads/1/3/0/6/130640006/gaxonoxebe.pdf
    • http://curvybridect.com/uploads/1/3/1/4/131437839/74aac5.pdf
    • http://webmail.novaconsolidating.nl/uploads/1/3/0/6/130604493/5654720.pdf
    • http://hofladchen.de/uploads/1/3/1
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063a4.bin
429e913e53ed01a3837aef03d3b4c833bfa1eb890501e97c854c1ef05b92e827		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63A4 8532 bytes
font_01_sfnt_off0000840c.bin
1dbf1c15304abe58598b1699a77b9bdf84c977742d7a526559e175da0fbac6c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x840C 16192 bytes

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