Malicious PDF — malware analysis report

Static analysis result for SHA-256 3aeb4b768f818518…

MALICIOUS

PDF

40.5 KB Created: 2020-03-29 09:46:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3d727cc7275f42b662be1bb368550384 SHA-1: 3a7e265a087240356e18a2bea4919622c1fa8f4d SHA-256: 3aeb4b768f818518a2659c31bf0aba46573667cfb74d3687899bcb55f503988a
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, many pointing to PDF files hosted on various domains. The document body suggests a lure for downloading software, specifically 'visual basic 6.0'. This indicates a likely SEO spam or phishing campaign aiming to direct users to potentially malicious content. No scripts were extracted, limiting the analysis of direct payload execution.

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://benkregel.com/uploads/1/3/0/5/130550764/130550764.html#descargar+visual+basic+6.0+para+windows+7+de+32+bits+a+dollar
    • http://shoptrueblessings.com/uploads/1/3/0/7/130775557/kiwud.pdf
    • http://localleadgame.com/uploads/1/3/0/6/130621083/4997407.pdf
    • http://hydepark.gd/uploads/1/3/0/2/130270864/gekis.pdf
    • http://food.greenbush.org/uploads/1/3/0/3/130323567/9d9334c9099293.pdf
    • http://www.ekerbakke.com/uploads/1/3/0/8/130873927/2353487.pdf
    • http://rendopoly.com/uploads/1/3/0/4/130475973/diposiderixan.pdf
    • http://mxsnot.com/uploads/1/3/0/2/130291809/4549a8b.pdf
    • http://www.texascoolrides.com/uploads/1/3/0/7/130738681/dewivujadud.pdf
    • http://thebaudelaires.com/uploads/1/3/0/8/130814121/3903232.pdf
    • http://setanta-sporthorses.com/uploads/1/3/0/4/130483632/9712207.pdf
    • http://zhongguozuqiuzhibobiao.f18.ebkf.org/uploads/1/3/0/6/130639889/zidomawobopo.pdf
    • http://mycndp.com/uploads/1/3/0/3/130323237/730701.pdf
    • http://mykbzkitchen.com/uploads/1/3/0/6/130621677/budumovovor.pdf
    • http://pinellaspaddlesports.com/uploads/1/3/0/8/130814283/xagozepedabifo_zemukawazumotej.pdf
    • http://static.vailhalla.com/uploads/1/3/0/5/130540159/c8be1bd1b2.pdf
    • http://whymegandoonan.com/uploads/1/3/0/5/130550858/namev.pdf
    • http://networkmarketingsuccessformula.com/uploads/1/3/0/7/130776130/8344984.pdf
    • http://74-123-76-80.mgwnet.com/uploads/1/3/0/3/130313120/8549768.pdf
    • http://madrazocrimefamily.com/uploads/1/3/0/6/130639091/loruvivegeni.pdf
    • http://trainwithaheart.com/uploads/1/3/0/9/130969674/repefuw_zujisugefu.pdf
    • http://pooltexrepair.net/uploads/1/3/0/8/130873949/jawametaso.pdf
    • http://xtremegreengrassnc.com/uploads/1/3/0/4/130483318/1941609.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_off0000719b.bin
3a09b3d9e8b401081e11c7a18858c8d20fd3bab669cbb337aea45fa90b181e06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x719B 9360 bytes

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