Malicious PDF — malware analysis report

Static analysis result for SHA-256 a882b271f55687c0…

MALICIOUS

PDF

37.5 KB Created: 2020-04-13 14:29:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8ce27797afbd662678125cbf321859f8 SHA-1: f05841d4b2473860f768b72a3754e05566e5ab6e SHA-256: a882b271f55687c0975091a131ccaf5b410497389fa18ed058e17e9a5f6a564a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm of external URLs, a common technique for SEO poisoning and distributing malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of such links, suggesting the primary purpose is to redirect users to potentially harmful websites. The embedded URL also points to a suspicious domain, likely part of this distribution network.

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://entretientoit.com/uploads/1/3/0/8/130813997/130813997.html#manual+imagen+corporativa+pdf
    • http://sydnieohm.com/uploads/1/3/0/4/130488387/c0cbd7.pdf
    • http://selfindulgence.org/uploads/1/3/0/8/130874349/judonopufivefakek.pdf
    • http://malcoelectricnj.com/uploads/1/3/0/2/130274281/106945.pdf
    • http://capitalconsigliere.com/uploads/1/3/0/7/130739713/bexegazuwiwezi-ruwemikigo-lisologo-beniluwawire.pdf
    • http://transitderby.com/uploads/1/3/0/9/130969241/nuruxaxoturum.pdf
    • http://volunteerinidiaprogram.com/uploads/1/3/1/0/131070001/1010738.pdf
    • http://michiganelopementcollective.com/uploads/1/3/0/2/130271102/dfaf6f7e6ad8.pdf
    • http://drakealexanderwalling.com/uploads/1/3/1/4/131438216/xajekoserut_wadefesegor_wujepefokolo.pdf
    • http://artsybugstudio.com/uploads/1/3/0/9/130969986/xisagonapateke.pdf
    • http://rothschildestateservices.com/uploads/1/3/1/1/131163864/7412963.pdf
    • http://myplacecompany.com/uploads/1/3/0/3/130379474/1ba72f43b.pdf
    • http://hallettcoatings.com/uploads/1/3/0/2/130273788/xanimojato_jonobexubexosag_rexebute_vinupefix.pdf
    • http://transitderby
    • 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_off000068ab.bin
4a3ae5ac6e1157acf7183b1cb632f39d5c4582dd577e96efba37823c47748801		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68AB 8624 bytes

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