Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbbc67559c72ec9c…

MALICIOUS

PDF

33.3 KB Created: 2020-06-01 21:07:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6eba11ceee80480f85a39aebaae2532b SHA-1: 440c1d3d2e68427a977e476a14b168e784c9afcd SHA-256: fbbc67559c72ec9c1441ca1999312c0b1a1d4ec674c34f85ff331acac9ffab7b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The document body itself contains metadata and URLs, reinforcing the finding of a link-heavy structure. No scripts were extracted from this sample.

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://sevillaincorporated.com/uploads/1/3/0/7/130739318/130739318.html#mathematics+of+finance+garrett+pdf
    • http://oxigenoterapiarespiratoriasitr.com/uploads/1/3/0/5/130590279/dajuxajidar.pdf
    • http://karenna.org/uploads/1/3/1/3/131380273/831477.pdf
    • http://bluetecbeacons.com/uploads/1/3/1/3/131383266/7752db6e629465.pdf
    • http://webmail.themeltbistro.com/uploads/1/3/1/1/131164315/dexixa.pdf
    • http://neurooptimizedtraining.com/uploads/1/3/0/4/130435872/2909355.pdf
    • http://ayscctvsolutions.nl/uploads/1/3/0/7/130740177/2754102.pdf
    • http://reelstyle.co/uploads/1/3/0/5/130543038/13ecf1e8a670e.pdf
    • http://vallaskritika.virtus.hu/uploads/1/3/0/8/130813710/pidiwulom-vetabasomik.pdf
    • http://rinconbuho.com/uploads/1/3/0/7/130739164/2154820.pdf
    • http://sevillaincorporated.com/uploads/1/3/0/7/130739318/terms.html
    • http://sevillaincorporated.com/uploads/1/3/0/7/130739318/dmca.html
    • http://sevillaincorporated.com/uploads/1/3/0/7/130739318/policy.html
    • https://tigafowez.files.wordpress.com/2020/06/fovejuwupirutagurinorewiw.pdf
    • https://rewanuzagi.files.wordpress.com/2020/05/79592807695.pdf
    • https://kodelemepopi.files.wordpress.com/2020/05/loxedenaxofatexobabe.pdf
    • https://derogupo.files.wordpress.com/2020/05/bodumebit.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_off000057b4.bin
c691e9ccc0980b707fe5a93059816aa18f7f3df5bb04e6978bcf6298160ef6bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57B4 9932 bytes

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