Malicious PDF — malware analysis report

Static analysis result for SHA-256 304f63915b43fc2a…

MALICIOUS

PDF

40.2 KB Created: 2020-03-28 05:32:54 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 83b31c55cbc7c046111d34326e0841b1 SHA-1: 68b5daad021e758455ec2cb1b9bfa840e5b218ac SHA-256: 304f63915b43fc2a9bd14811a4f452a777257e56b0cc974d0ce1fdb1e1fc8cdb
62 Risk Score

Malware Insights

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

This PDF file contains a significant number of external links, identified as a PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, includes a URL that points to an external HTML page. The primary attack pattern appears to be directing users to a large number of unrelated websites, likely for SEO manipulation or to serve as a gateway to further malicious content. 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://2020blue.org/uploads/1/3/0/9/130969987/130969987.html#cual+es+la+diferencia+de+miopia+y+astigmatismo
    • http://topdogpropertyservices101.com/uploads/1/3/0/7/130738929/36471203b41.pdf
    • http://panamacitybeachsurf.com/uploads/1/3/0/5/130547728/0e95e.pdf
    • http://mta-sts.mx.bigislandgoatdairy.com/uploads/1/3/0/4/130488694/1893368.pdf
    • http://pro-perform.org/uploads/1/3/0/7/130775050/xatar_raniwetanefuvu_gibovaf.pdf
    • http://bigcitycorvettes.com/uploads/1/3/0/4/130483393/gatijawefafosizajodu.pdf
    • http://taylorsinclair.com/uploads/1/3/0/5/130551461/xoborutifisuwezones.pdf
    • http://aurorafoxdesign.com/uploads/1/3/1/3/131379217/pererupivoz_varoluvus.pdf
    • http://alexdanielski.com/uploads/1/3/0/5/130543276/somewitix.pdf
    • http://theteachingbrain.com/uploads/1/3/0/4/130483329/d2edf6.pdf
    • http://bellahomebuilds.com/uploads/1/3/0/6/130620393/pobewun_sozaralanuxix_digivepojovino.pdf
    • http://debudgetheer.nl/uploads/1/3/0/3/130313588/dinemiwabajoruxip.pdf
    • http://www.primaryelementgaming.com/uploads/1/3/0/7/130739326/fetepuniturosuxunet.pdf
    • http://bioracerusa.com/uploads/1/3/0/3/130379798/87646.pdf
    • http://trusteedinner.com/uploads/1/3/0/2/130292098/5179104.pdf
    • http://www.dizacstickers.com/uploads/1/3/0/7/130740138/pekoseruzebep_sajabizavosur_rimodijadat.pdf
    • http://rbfengenharia.net/uploads/1/3/0/6/130639545/49645170b.pdf
    • http://www.ranchhouseentertainment.com/uploads/1/3/0/7/130740338/172139.pdf
    • http://www.captiveminds.net/uploads/1/3/0/6/130603715/2373893979079.pdf
    • http://harvestleaders.org/uploads/1/3/0/7/130776692/1f59aabff.pdf
    • http://74-123-72-161.mgwnet.com/uploads/1/3/0/5/130588847/9538910.pdf
    • http://restorechurchnc.net/uploads/1/3/0/2/130287394/033a066f0db19.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_off000072b3.bin
1dce363ec1196d7654ae8d5db0f4f5cf7716d3ffd8c6414235d89c7985140b13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72B3 8308 bytes

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