Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed173eff0a3de24b…

MALICIOUS

PDF

35.5 KB Created: 2020-04-14 16:18:21 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 33927799dce99d6d1448198f44240fb3 SHA-1: 8809b8f8aa9f412c2c9e9c3cfacc302aead2b713 SHA-256: ed173eff0a3de24ba0f151eb2f378d9cf5eeb9f56442f24bf166f273479ab859
110 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with 26 links pointing to other PDFs hosted on various domains. The document also includes a visual download button and password instructions, suggesting a lure to download a malicious archive or file. The primary URL found in the document body is http://djkikidoe.com/uploads/1/3/0/4/130478205/130478205.html#basara+4+pc+bagas31, which is part of this link farm.

Heuristics 5

  • 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
  • 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://djkikidoe.com/uploads/1/3/0/4/130478205/130478205.html#basara+4+pc+bagas31
    • http://smiledefenders.org/uploads/1/3/0/6/130605244/d72cb90fd.pdf
    • http://bayoubeads.com/uploads/1/3/1/6/131606087/849313.pdf
    • http://chococarre.com/uploads/1/3/0/6/130639854/335aaafc7273a.pdf
    • http://smcconsulting.fr/uploads/1/3/1/6/131607103/734254.pdf
    • http://bisoninvestmentconsulting.ca/uploads/1/3/0/6/130620228/pozijefufawovokibol.pdf
    • http://csppropertymaintenance.com/uploads/1/3/1/4/131437743/9366080.pdf
    • http://brightgirlbook.com/uploads/1/3/0/3/130313786/12b11d.pdf
    • http://completehomecomfort.biz/uploads/1/3/0/7/130775677/xafivipadapufaf.pdf
    • http://copywinner.net/uploads/1/3/0/7/130775361/basiwidaputewoxe.pdf
    • http://the-bird-hub.com/uploads/1/3/0/9/130969439/miwodenidorisim_balexarefofap_wufal_zonadusav.pdf
    • http://adrianetherson.com/uploads/1/3/0/2/130289724/9808871.pdf
    • http://pexoticshop.com/uploads/1/3/1/3/131380482/rawud_sarofovabep_judor_rufesavovufex.pdf
    • http://thehauntedstories.com/uploads/1/3/0/2/130272591/dakesesodesuxa.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_off0000622b.bin
6c73fb669f03db6d3dfb632b843c8d30274776f642feb749dfa93fb0f07b5c0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x622B 8524 bytes

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