Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe04dd3fdca5f3aa…

MALICIOUS

PDF

43.2 KB Created: 2020-04-10 14:01:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4e3d700bf89acdf9d1597fe195474059 SHA-1: 3e44ce27aefa063f327d4bac534537a86c15fcdf SHA-256: fe04dd3fdca5f3aa6655c86a30074e822d00209ebfd8fd6651cf4207a7688a60
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, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a mass of external PDF links. The document body contains text related to a game achievement guide, which may serve as a lure to disguise the malicious intent of the embedded links.

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://1040taxplus.net/uploads/1/3/0/7/130739088/130739088.html#7+days+to+die+achievement+guide
    • http://personaltrainersurabaya.com/uploads/1/3/0/6/130605406/netuk_bitevifewur.pdf
    • http://yourseoguru.com/uploads/1/3/0/7/130740165/9796302.pdf
    • http://slautoworx.com/uploads/1/3/0/7/130739260/kifaki_fopunizi_xoxawesifabeja.pdf
    • http://newgriffiths.com/uploads/1/3/0/6/130621682/1090605.pdf
    • http://oatsonline.org/uploads/1/3/1/0/131071063/de219947c1bc9.pdf
    • http://anhcarpetcleaning.com/uploads/1/3/0/4/130436033/96c34bafc38c7f.pdf
    • http://vanrijnenpartners.nl/uploads/1/3/0/7/130739498/berotigazu-xulaxed.pdf
    • http://dahlerdesigner.com/uploads/1/3/0/3/130323477/wolinizufe.pdf
    • http://deltapsidelta.ca/uploads/1/3/0/5/130539517/dujepitike-xisevomom-pudowutidew-tepavof.pdf
    • http://bshaniboom.com/uploads/1/3/0/9/130969192/1bc0b0ad9.pdf
    • http://belitzacontreras-deleon.com/uploads/1/3/0/5/130539697/rowotugowenoge-tapowiledoxaduj-wagexowuto-fibawevu.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_off0000813c.bin
2d1fe7bc2fd995d3f8f3f06d598d1eb7ddf4da9d3ef81a86643d7d1305d92721		 pdf-font-stream PDF embedded font (sfnt) at offset 0x813C 8220 bytes

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