Malicious PDF — malware analysis report

Static analysis result for SHA-256 99af678de6dbf4de…

MALICIOUS

PDF

45.7 KB Created: 2020-05-20 14:53:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 447633bbc2f2507eb67a70b84f5b5d65 SHA-1: 5d8eb40ab53d34a8f6484bc684437ece896cbc99 SHA-256: 99af678de6dbf4dee491c5ab640baf3074b097e2b5774a7b0e7d243733023d26
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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 numerous PDF files hosted on various domains, suggesting a link farm or content distribution network. The embedded URLs and the document body text, though partially obfuscated, reinforce the presence of these external links. 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://stephaniejacobs-sculptures.com/uploads/1/3/0/8/130815311/130815311.html#adjectif+allemand+liste
    • http://chariscontracting.com/uploads/1/3/1/3/131380739/92f31b9.pdf
    • http://mdcartstudio.com/uploads/1/3/0/2/130271179/fafunurizatejus-wupebasafur-valevipad-fotuji.pdf
    • http://sunflowerandwillowsco.com/uploads/1/3/0/2/130273913/tiwipagowin.pdf
    • http://dt-15j16.com/uploads/1/3/0/5/130539795/lojosunidop.pdf
    • http://getquadrant.com/uploads/1/3/0/9/130969332/f22982.pdf
    • http://firsttrinityhh.net/uploads/1/3/1/4/131437029/893111.pdf
    • http://majesticallips.com/uploads/1/3/1/3/131379121/zeninefigote_ruzewa_vijade_taketaliriwukop.pdf
    • http://healinghorsesfoundation.com/uploads/1/3/0/6/130620930/jinitatax_salofasuvisaw_polabuxuzi.pdf
    • http://global-social-justice.org/uploads/1/3/1/1/131164321/01118005dcdade.pdf
    • http://daylilygoatfarm.com/uploads/1/3/0/2/130272072/c7440cc1231.pdf
    • http://opalglassandali.com/uploads/1/3/1/4/131438348/853115.pdf
    • http://labottmarketing.com/uploads/1/3/0/9/130969448/malobot.pdf
    • http://atlantaprenatalyoga.com/uploads/1/3/0/6/130639765/xujesewuzav-forekixi.pdf
    • http://bridgemillfinancing.com/uploads/1/3/0/6/130605516/resabewowejenofime.pdf
    • http://gsquarecommunications.com/uploads/1/3/0/7/130775876/9356213.pdf
    • http://100kidsvernon.ca/uploads/1/3/1/3/131398497/871dc84b17bd.pdf
    • http://algesiology.org/uploads/1/3/0/5/130543466/90430a.pdf
    • http://poulsborvmtvernon.com/uploads/1/3/0/5/130545429/6522484.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_off00006854.bin
f92cf73c9db6f86aefa2cb30f619386b01236c7fa177560021bad17f3ec97ee0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6854 13740 bytes
font_01_sfnt_off000092c2.bin
958d65edfa4eb959972d2acc49066e3060d13a9e704c80db15377a0822bc24e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92C2 16580 bytes

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