Malicious PDF — malware analysis report

Static analysis result for SHA-256 41ca3ad71c787baa…

MALICIOUS

PDF

39.3 KB Created: 2020-03-07 19:16:33 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 838f01f603e50ec254c49f263923a1a7 SHA-1: d3adafa45944899817ca3305a76d8c76c746d34f SHA-256: 41ca3ad71c787baa9b0471133bc7c7508d72f41949e010d844d81c60464ee89f
62 Risk Score

Malware Insights

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

The PDF file 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 content distribution network. The embedded URL and the numerous external links indicate a malicious intent to redirect users to potentially harmful content or to manipulate search engine rankings. 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://miracleinabucket.com/uploads/1/3/0/5/130588457/130588457.html#powerlifting+workouts+deadlift
    • http://www.davrel.com/uploads/1/3/0/6/130621361/4814883.pdf
    • http://bigcashloads.com/uploads/1/3/0/5/130588621/6703505.pdf
    • http://crestanello-sett.com/uploads/1/3/0/8/130814297/gufabubelar-nuwavotuzozamut-vulesoru-tiruxal.pdf
    • http://jjmockcleaning.com/uploads/1/3/0/6/130639558/juxufula_vidupebeliwozu.pdf
    • http://nishadalaruzmani.net/uploads/1/3/0/5/130589057/33b900322d9c132.pdf
    • http://www.cotswoldconcrete.co.uk/uploads/1/3/0/4/130483866/5966928.pdf
    • http://hostmaster.billanderton.uk/uploads/1/3/0/6/130620868/51e17b335b62c.pdf
    • http://teach2shoot.com/uploads/1/3/0/3/130323311/4995380.pdf
    • http://blazinginformatics.com/uploads/1/3/0/2/130289789/pegoxudotajovos.pdf
    • http://huraworld.com/uploads/1/3/0/6/130621882/butovebejowidumeguso.pdf
    • http://specialdental.net/uploads/1/3/0/4/130479008/8728950.pdf
    • http://simpliwebdesign.tech/uploads/1/3/0/4/130476502/jewogobuzaxibeze.pdf
    • http://midcountydentalcare.com/uploads/1/3/0/6/130639959/7751995.pdf
    • http://flowerannefaye.com/uploads/1/3/0/7/130739783/7943262.pdf
    • http://jacknagro.com/uploads/1/3/0/4/130489097/bcebd7a1.pdf
    • http://kidosafe.net/uploads/1/3/0/4/130477864/4277982.pdf
    • http://tf2backpack.net/uploads/1/3/0/6/130604299/nubokunigogov.pdf
    • http://voyagescimatur.com/uploads/1/3/0/3/130324331/e9990417802.pdf
    • http://www.stillwellsalestrailers.com/uploads/1/3/0/5/130590140/rusiwuzoxakaxe.pdf
    • http://absolutereductions.org/uploads/1/3/0/7/130775346/1645047.pdf
    • http://southerngothiccollective.com/uploads/1/3/0/3/130379173/f18d20.pdf
    • http://mrstinabullteacher.com/uploads/1/3/0/2/130287991/7460435.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_off00007125.bin
b4ac0a43b0f4ff7e0a8049d6ce8ee99ebfd874f9d2cce744e7a0eecf4abe057f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7125 7800 bytes

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