Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d3266e7fb11069d…

MALICIOUS

PDF

47.4 KB Created: 2020-05-04 00:15:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3cd1f043a15d78a4b19a10cfe926b8c2 SHA-1: 1c0d73f85166a300a4df4b29c4cea12c7cf69966 SHA-256: 7d3266e7fb11069d2d854fb306f95bb10e96336b7a3a22039cf88aa22cd97644
102 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, a technique often used for SEO spam or to distribute malicious payloads. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a potential distribution or redirection mechanism. The presence of the 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests that the document may be intended to trick users into providing passwords for encrypted archives, which could contain malware. No scripts were extracted from this sample.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://drobgyn.net/uploads/1/3/0/7/130738936/130738936.html#aeroacoustics+goldstein+pdf
    • http://xpertitconsultingllc.com/uploads/1/3/1/3/131379295/tokipadelaf_mipek_dezexurike_teteluruneji.pdf
    • http://ahteam.es/uploads/1/3/1/4/131405934/fabutupuxap-vodawevi-paxivakibedixuj-kaxofawolel.pdf
    • http://accordinvestmentsllc.com/uploads/1/3/0/8/130814120/fofaxoxal.pdf
    • http://jriveraonline.com/uploads/1/3/1/4/131406086/4785513.pdf
    • http://ibeautytansalon.com/uploads/1/3/0/7/130775668/1381654.pdf
    • http://voteallison.com/uploads/1/3/0/6/130620772/e98c27a97c78.pdf
    • http://ehmhomeloans.com/uploads/1/3/0/6/130620858/311113.pdf
    • http://ealawrayauthor.com/uploads/1/3/0/2/130291434/jejunulab-wofuj-gevalad.pdf
    • http://devonopera.com/uploads/1/3/1/3/131380606/nivijixeka.pdf
    • http://patersistersbeachvolleyball.com/uploads/1/3/0/2/130270779/lagud.pdf
    • http://toolboxjoe.com/uploads/1/3/1/4/131453871/defufajixed.pdf
    • http://jinenkan.org/uploads/1/3/1/4/131437341/5262089.pdf
    • http://brittaniesworld.com/uploads/1/3/0/2/130273896/2065355.pdf
    • http://bambusaglobal.com/uploads/1/3/1/3/131379225/3476950.pdf
    • http://xenyodame.com/uploads/1/3/0/8/130874161/gaveza_livejasete_noxukukoverum.pdf
    • http://swifthop.net/uploads/1/3/0/3/130324050/pobina_libajepesoju_leroj.pdf
    • http://maryhelenmoses.com/uploads/1/3/0/6/130620823/moleveme.pdf
    • http://new-england-marketing.com/uploads/1/3/0/8/130814966/lepulaneba.pdf
    • http://promot.es/uploads/1/3/0/5/130538875/8261432.pdf
    • http://paige-elizabeth-allen.com/uploads/1/3/0/7/130775652/xirijuw.pdf
    • http://sippingallovertheworld.com/uploads/1/3/0/4/130483794/9322055.pdf
    • http://thelakecampground.com/uploads/1/3/0/6/130639532/4a5f502.pdf
    • http://erinbaile.com/uploads/1/3/1/4/131407812/7874596.pdf
    • http://brenhamfoundationrepair.com/uploads/1/3/0/7/130739621/witul.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00008c8b.bin
e9872e786a846d6105304e46f6eb58aa8ec3eb3349658898ccd52936d45ed0a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C8B 11172 bytes

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