Malicious PDF — malware analysis report

Static analysis result for SHA-256 930aa1894a192be0…

MALICIOUS

PDF

42.9 KB Created: 2020-03-24 09:50:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 930056390cc0a4c430fa290fe07ab8a5 SHA-1: b9ac3edd0b18f2912dfd6cfa97c22a76df252e68 SHA-256: 930aa1894a192be0ed5df262b3cdc3af83d4f64628c4420606d3daa1503617fb
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. The document body text is largely unreadable, but the presence of numerous links to unrelated domains suggests a link farm or SEO manipulation tactic. The primary heuristic indicates a link to 'sfbaytherapist.com' which is also present in the document body. 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://sfbaytherapist.com/uploads/1/3/0/6/130639157/130639157.html#oster+countertop+oven+with+air+fryer+stainless+steel
    • http://masteringjack.com/uploads/1/3/0/7/130740169/dujuk.pdf
    • http://aatef.org/uploads/1/3/0/6/130605440/dorero.pdf
    • http://mta-sts.mailserver.academiadeballetallegro.com/uploads/1/3/0/6/130640097/2692788.pdf
    • http://romanticfrenchhome.com/uploads/1/3/0/7/130776433/wulok_viteruxovowodev.pdf
    • http://moanalipopo.com/uploads/1/3/0/6/130621906/4965636.pdf
    • http://cathedralparkurns.com/uploads/1/3/0/7/130739680/4376317.pdf
    • http://bellabeautyspa.net/uploads/1/3/0/7/130776175/rogelu_sepakexuduw_vilafelapotiniv_pobegumosaboge.pdf
    • http://melindaweathersby.com/uploads/1/3/0/6/130639418/fibolar_xamiwozufezur_voderoxi.pdf
    • http://3rdcomercializadora.com/uploads/1/3/0/3/130379651/c37285f186.pdf
    • http://professorsjrichards.com/uploads/1/3/0/5/130590355/f5c265706af8.pdf
    • http://jacobmack.com/uploads/1/3/0/2/130272396/kewavid_lidurofituvafef.pdf
    • http://www.average-adam.com/uploads/1/3/0/2/130289354/7598362.pdf
    • http://leadersingreen.org/uploads/1/3/0/7/130776331/pemevasegopuze.pdf
    • http://niakas.gr/uploads/1/3/0/7/130739867/fatepebafarapi-pipasusopesatuv-ridekikuru.pdf
    • http://ninapouesi.com/uploads/1/3/0/6/130620511/186195.pdf
    • http://radul.net/uploads/1/3/0/3/130379380/4651322.pdf
    • http://doublekdorpersheepranch.com/uploads/1/3/0/5/130551176/xugumatisujilow_zojupepuvote_bojoxikowo.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_off0000732b.bin
4f64eadbfaced6d369c10c4b73130cf5109a76949300b7343005c5cfabb992cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x732B 8068 bytes
font_01_sfnt_off00009227.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9227 2616 bytes

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