Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a790186f8395e80…

MALICIOUS

PDF

59.2 KB Created: 2020-04-12 05:15:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c1806c82d12952b6faa22d78441ebac4 SHA-1: 0132f00be7dfa0a976fcf5bcff657d5c61c27533 SHA-256: 9a790186f8395e80f2bfa6f20a36a68af83c1c96da69a1a215ceae04b7bd4815
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to SEO-optimized PDF files on various domains. The document body mentions a technical issue with a 'Masterbuilt electric smoker' and includes a URL that appears to be part of this lure. This suggests a phishing or scam attempt designed to drive traffic to malicious or deceptive websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://ourhousea2z.com/uploads/1/3/0/6/130604538/130604538.html#masterbuilt+electric+smoker+won%27t+connect+to+bluetooth
    • http://treasuredboxesstudio.com/uploads/1/3/0/5/130589413/681eb2157b.pdf
    • http://well-beingllc.com/uploads/1/3/1/0/131071278/kijugimanupe.pdf
    • http://southerndazeoutdoors.org/uploads/1/3/0/3/130313088/tiramagobene.pdf
    • http://jmsorthopaedics.com/uploads/1/3/0/5/130542940/wokomeveviwifo-bonito.pdf
    • http://reynaldohauling.com/uploads/1/3/0/5/130541462/butakupolod.pdf
    • http://moosewoodalaska.com/uploads/1/3/0/4/130476721/xisetarumalemo_wisizoboxavot_fifakotavek.pdf
    • http://jasminemann.com/uploads/1/3/0/7/130738710/xedopodupiwogizuz.pdf
    • http://intreweb.ch/uploads/1/3/1/3/131379262/vadikipon.pdf
    • http://cruisincuisineofcharleston.com/uploads/1/3/0/5/130588984/dabaxivomut.pdf
    • http://alisonrothman.com/uploads/1/3/0/8/130814176/difikaro.pdf
    • http://mbmasjid.org/uploads/1/3/1/4/131438143/051827183947.pdf
    • http://bornreckless.co/uploads/1/3/0/9/130969591/f710dd6c.pdf
    • http://mmracing20j.com/uploads/1/3/0/8/130815059/zuvobeturunig_nuwanafodu.pdf
    • http://silviomaestrelli.com/uploads/1/3/0/2/130270946/3222880.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_off0000bf47.bin
25efaf17ee83cf539a165213d4ab09e3ccc0c556f7b32fd67a7ffbe9063bc685		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBF47 8668 bytes

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