Malicious PDF — malware analysis report

Static analysis result for SHA-256 99ebb1104c3161ed…

MALICIOUS

PDF

34.6 KB Created: 2020-04-20 10:06:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3cad2174e1b94282cd5d37e635f81a0b SHA-1: aba1618f4b2ceefe0a82c1a308e6dc5815bde0e4 SHA-256: 99ebb1104c3161edef586fa371d2b354a2a10744c45d2e18952283588175c63f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, many of which are hosted on newly registered domains and follow a pattern suggestive of a link farm. The primary heuristic indicates a PDF URI pointing to 'teshuvah.international', which is presented as an annual report. This suggests the document is designed to trick users into visiting malicious websites, likely for phishing or to download further malicious content. No scripts were extracted from this sample.

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://teshuvah.international/uploads/1/3/1/6/131607805/131607805.html#alcidion+group+annual+report
    • http://nurseryrhymedesign.com/uploads/1/3/0/4/130479570/46f27bb2d21000.pdf
    • http://stevedanarealestateservices.com/uploads/1/3/0/5/130589274/mebanosupomi-mabagoj-xaneputoveg-senisapegalek.pdf
    • http://appstoreus.com/uploads/1/3/0/6/130621952/nezigumamiwa_dorek_najawogejorebuj.pdf
    • http://mediaviralterkini.net/uploads/1/3/0/4/130483491/gurenowovak.pdf
    • http://cornerpockettraders.com/uploads/1/3/0/7/130739427/watog.pdf
    • http://novaespresso.coffee/uploads/1/3/0/6/130620195/6140478.pdf
    • http://thecommunityengineer.com/uploads/1/3/0/2/130270934/vused.pdf
    • http://stephaniewhitedesigner.com/uploads/1/3/0/7/130775598/3465157.pdf
    • http://shavebumps.com/uploads/1/3/0/5/130589083/73a35.pdf
    • http://420edible.net/uploads/1/3/0/6/130639814/6084ba.pdf
    • http://baggerfahren.de/uploads/1/3/0/6/130639117/kebuj_pepidige_xireradowogego_perate.pdf
    • http://vibrantcarpetdyeing.com/uploads/1/3/0/2/130272851/xetuwotadosuwuwozij.pdf
    • http://shavebumps.com/uploads/1/3/0/5/130
    • 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_off00005e36.bin
c00c3144189885a20e2119961883f54235976dbc6ca1b19ad2362ad112a9c60d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E36 8388 bytes

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