Malicious PDF — malware analysis report

Static analysis result for SHA-256 e43001c890b317dc…

MALICIOUS

PDF

39.1 KB Created: 2020-04-01 12:03:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 72e22949907b49e4e4f706f260c42059 SHA-1: e98634daff2112324a4faee854ac0e1122083700 SHA-256: e43001c890b317dc06d1b5cd76b183317ed0a8f3f06c2b8327f7ee00aeb7bc88
122 Risk Score

Malware Insights

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

This PDF file was detected by ClamAV as Pdf.Dropper.Agent-9291883-0. It functions as a link farm, containing numerous external URLs that point to other PDF files hosted across various domains. The primary purpose appears to be to distribute or obscure malicious content by redirecting users through a large number of intermediary links.

Heuristics 4

  • 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.
  • ClamAV: Pdf.Dropper.Agent-9291883-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9291883-0
  • 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://backcountryk-9.org/uploads/1/3/1/3/131380427/131380427.html#novel+origin+dan+brown+bahasa+indonesia
    • http://thescentedsheep.com/uploads/1/3/0/9/130969714/9354ac205896.pdf
    • http://reeldinn.com/uploads/1/3/0/6/130620871/c49bb70610a2.pdf
    • http://thehealingplacefarm.net/uploads/1/3/1/3/131380279/b5de0154.pdf
    • http://westendhomes.org/uploads/1/3/0/2/130289645/408cec47cebf.pdf
    • http://amballoonexpress.com/uploads/1/3/1/4/131437283/dcc2b.pdf
    • http://tonofthreads.net/uploads/1/3/1/0/131070165/nopona_pawipoxo.pdf
    • http://graniteandmarbleservice.com/uploads/1/3/0/7/130739615/5e714a09b17c.pdf
    • http://cmovkids.com/uploads/1/3/0/2/130289243/2b36680ef.pdf
    • http://1533quartet.com/uploads/1/3/1/0/131070342/9abc76.pdf
    • http://scanlonproperties.com/uploads/1/3/0/5/130551187/xuwuvokodib_dekuza_fajepakifu.pdf
    • http://cpccriticalprojectcontrolltd.com/uploads/1/3/0/7/130776667/347fa3a70379.pdf
    • http://jfainnovative.com/uploads/1/3/0/3/130379326/batexos_xusaxanogiket_vixik.pdf
    • http://4do.nl/uploads/1/3/0/7/130740597/getut.pdf
    • http://southaustinyoga.com/uploads/1/3/1/0/131070237/51054f44b5.pdf
    • http://leodelmar.com/uploads/1/3/0/6/130604522/98d0875e04085af.pdf
    • http://windowtintingberryville.com/uploads/1/3/0/5/130544734/4d25837.pdf
    • http://chaarly.net/uploads/1/3/0/5/130551429/da7b1b0d.pdf
    • http://wannascience.com/uploads/1/3/0/7/130776253/5208881.pdf
    • http://makeyourmaerk.com/uploads/1/3/0/4/130435682/19e0e.pdf
    • http://wedoebusiness.com/uploads/1/3/0/5/130588606/ccdb0de69e5.pdf
    • http://theaipiphany.com/uploads/1/3/0/5/130539676/nigazafeturijejavoj.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_off00007253.bin
3258fe339b989ae703b88777a3647921ff445a1bd9553b992ec0c1427cce3622		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7253 7204 bytes

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