Malicious PDF — malware analysis report

Static analysis result for SHA-256 f630a5886c882574…

MALICIOUS

PDF

38.1 KB Created: 2020-03-26 13:59:23 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3ace3cce787965832d9591a2791e2155 SHA-1: 195e44ba5b6175d02318d944c972ed95f3fd02f9 SHA-256: f630a5886c882574ab153eee96d85d3582ec3bde6b896765cea6a2bdc47d894b
70 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are structured in a way that suggests SEO manipulation or a link farm. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick users into navigating to malicious or spam-related websites. No scripts were extracted, limiting the ability to determine a more specific payload or family.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://tsvtheshoevault.com/uploads/1/3/0/6/130604281/130604281.html#crochet+granny+square+video
    • http://www.suncitylibraryfriends.com/uploads/1/3/0/5/130588960/wekix_xaladobinalo_xunoz_junub.pdf
    • http://djglo.com/uploads/1/3/0/3/130312913/9529215.pdf
    • http://ridgefieldanimalhospital.preview.pethealthnetworkpro.com/uploads/1/3/0/7/130740192/lasodaxikuzobu.pdf
    • http://mynumba.com/uploads/1/3/0/4/130483125/9e1b9242cf67.pdf
    • http://mta-sts.mx.rdonmcleod.org/uploads/1/3/0/2/130289793/xazer_zigomub_kekog.pdf
    • http://bistrolamuse.be/uploads/1/3/0/7/130776457/zexitexibisonu-daloloxigutuj.pdf
    • http://plussizeweddingdressesmassachusetts.com/uploads/1/3/0/2/130273843/nidur_vizadodojopigez_rumesudufe_tejagerufujat.pdf
    • http://mommyandmemassage.org/uploads/1/3/0/9/130969438/c2818172.pdf
    • http://dagsforsale.com/uploads/1/3/0/2/130271158/wipena.pdf
    • http://www.nikadr.hu/uploads/1/3/1/0/131071035/vogaf_ruwepazuz.pdf
    • http://projectterminoslagoon.com/uploads/1/3/0/8/130814579/zonuxobavew.pdf
    • http://animeresearch.com/uploads/1/3/0/7/130776255/6798914.pdf
    • http://flyingmonkeygarage.com/uploads/1/3/0/7/130775199/nakeriketejo.pdf
    • http://ivyadvance.net/uploads/1/3/0/7/130739897/8979088.pdf
    • http://ethosbeats.com/uploads/1/3/0/6/130604750/ganelugafere.pdf
    • http://paralectures.net/uploads/1/3/0/6/130640146/jazikanoraxowa.pdf
    • http://smayerlegal.com/uploads/1/3/0/2/130289630/nafanuba.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_off00006b65.bin
23dc0c632ee9e84479fdd5341047b33d75e06cd76314a8fd2fd5105da9b05105		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B65 7760 bytes

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