Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c0e9e70741d1450…

MALICIOUS

PDF

47.2 KB Created: 2020-03-19 10:39:06 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a5348fbbab5feba9c00641c4b92e5ce8 SHA-1: bdec71169cbc0410c3ea148ae2d4a01b55c890cd SHA-256: 7c0e9e70741d1450c37b0dda10b419f3b4e38f32e454af8d7a0364a88b5c0f2f
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO manipulation or to host malicious content. The document body text suggests a lure related to a vehicle owner's manual. The presence of numerous external PDF links, many with numeric slugs, strongly indicates a link farm or SEO poisoning attack. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://1890joyridgeroad.com/uploads/1/3/0/8/130814174/130814174.html#2007+mercedes+ml350+owners+manual+pdf
    • http://havebagswilltravelbykelly.com/uploads/1/3/0/5/130551115/05750cfc6ed039.pdf
    • http://fieldhousemanagement.com/uploads/1/3/0/4/130488773/7e9d16.pdf
    • http://athenahighlibrary.com/uploads/1/3/0/5/130543941/12787c5feaf0.pdf
    • http://365daysofkink.com/uploads/1/3/0/6/130639591/b13a43cdb.pdf
    • http://hostmaster.irissrl.org/uploads/1/3/0/4/130476786/sinapaxov.pdf
    • http://lydiapion.com/uploads/1/3/0/6/130603761/e07e9e1d.pdf
    • http://readytoadopt.ca/uploads/1/3/0/3/130323232/83ee5718b.pdf
    • http://nihaostyle.com/uploads/1/3/0/5/130550715/ff89fac9774bf7.pdf
    • http://anytime.insure/uploads/1/3/0/3/130379428/2649216.pdf
    • http://fosconline.org/uploads/1/3/0/3/130323250/bofetonevex-xidujif.pdf
    • http://www.tim-abbot.com/uploads/1/3/0/7/130739081/8861579.pdf
    • http://portugalproperty-buyfromthebank.com/uploads/1/3/0/7/130775520/gaputinasotipo_murafis.pdf
    • http://stryienska.com/uploads/1/3/0/4/130476469/93479c36.pdf
    • http://walkiesnairn.co.uk/uploads/1/3/0/6/130639980/jopeje.pdf
    • http://www.rosedalegrove.com.au/uploads/1/3/0/7/130775011/df7265b83c825.pdf
    • http://guitarlessonsbath.net/uploads/1/3/0/3/130379294/jaziwibujin_sumep_bazabebonirewin_josazuf.pdf
    • http://mx66.farmfreshsoaps.com/uploads/1/3/0/3/130379675/fepun.pdf
    • http://repairplumberfortworth.net/uploads/1/3/0/6/130604541/b5ec1.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_off00008e4f.bin
eb46182653037a1cfca39ef0e02c0accad611ba21e771559e6cb45e5d6037a74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E4F 8732 bytes

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