Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e49d07cbce2c73e…

MALICIOUS

PDF

46.1 KB Created: 2020-04-03 15:17:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 686d351d55bbddd153ce8497447c5986 SHA-1: c20b6ac28c966bbdf2a51260aa72de24fd3e9177 SHA-256: 7e49d07cbce2c73e2dca564dd9614af887b0384b4982c1cfdf8ace02af472826
62 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 PDF files with numeric slugs, indicative of an SEO link farm. The document body mentions a specific error code ('Ge profile double oven error code f2'), likely a lure to encourage clicks on the embedded malicious URLs. No scripts were extracted, and the primary malicious activity observed is the redirection to numerous external sites.

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://thesoonernetwork.com/uploads/1/3/0/4/130476684/130476684.html#ge+profile+double+oven+error+code+f2
    • http://michaeldefeo.com/uploads/1/3/0/9/130969764/1e7fa3d0e31.pdf
    • http://jacintosilva.org/uploads/1/3/0/7/130738562/f40d0bf803e17.pdf
    • http://theonlychef.nl/uploads/1/3/1/4/131452785/xuluv_nanase.pdf
    • http://sweetdeens.com/uploads/1/3/0/5/130588430/0001d.pdf
    • http://bestmarine.de/uploads/1/3/0/5/130590463/paxutikiko.pdf
    • http://my-c-online.com/uploads/1/3/0/7/130776644/jabogewos_gixogukaxulas_golaj.pdf
    • http://voetbalfan.online/uploads/1/3/0/7/130739056/1411150.pdf
    • http://teanyhidalgo.com/uploads/1/3/1/3/131383602/17b7629d90b399.pdf
    • http://maxmckellarmusic.com/uploads/1/3/0/4/130489567/biper_kagujimeto_sizadajotu_julot.pdf
    • http://fairbankssnowclearing.com/uploads/1/3/1/4/131437709/zamib-nugavener.pdf
    • http://rruppertengraver.com/uploads/1/3/0/8/130813696/jodulusokunagulejo.pdf
    • http://naturalmusicmarketing.net/uploads/1/3/0/5/130543310/lotetusudi-xudediwesajofu-sosomutaza-gugolagifufomoj.pdf
    • http://thenewchamber.com/uploads/1/3/0/7/130739567/jefobebajedikowuv.pdf
    • http://bodyforbeing.com/uploads/1/3/0/8/130814457/751bdd11d1fb.pdf
    • http://nextstepsdaycare.net/uploads/1/3/1/0/131070226/1d0e10c61cc1e.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000076b3.bin
06d053850f4478b6cde3c52e4ae4f635545fb3c4b1e8c85a9dee341354354fc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76B3 8052 bytes
font_01_sfnt_off000095fa.bin
c9fede303f1d872dac00d1bad93c390e39c3d1c73228d1ad2e271158137bf15d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95FA 16108 bytes

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