Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3677877f65825f0…

MALICIOUS

PDF

40.9 KB Created: 2020-08-14 05:39:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e11ba2b282326c9df8acca22d8b39750 SHA-1: 5cd74ab2f70570eb16a5d8ca1fca3b21e1f772ec SHA-256: e3677877f65825f0e7658cd5a6d78f60afa766fd33a5f10bd782120bf4e7faf4
170 Risk Score

Malware Insights

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

The PDF contains a mass of external links, one of which, 'https://ttraff.cc/pify?keyword=hoyle+casino+games+free', is identified as a malicious redirector. The document body and heuristics strongly suggest an advance-fee scam lure, likely aiming to trick users into believing they can win casino games or receive a prize, which is a common tactic for such scams. No scripts were extracted, limiting the analysis of direct execution capabilities.

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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
  • 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 https://ttraff.cc/pify?keyword=hoyle+casino+games+free
    • http://files.kirstenangerbauer.com/uploads/1/3/1/3/131380279/suvizo-bomafumeba-lokinidopididux-lalawevoguga.pdf
    • http://lazizete.midcitycarriages.org/uploads/1/3/2/8/132814975/7111690.pdf
    • http://files.bankslawyers.com/uploads/1/3/1/3/131380688/fimoxipo-kozotil-pewiwan.pdf
    • http://boluni.committedtohim.com/uploads/1/3/0/7/130775990/0efa11bcc9ec0d.pdf
    • http://files.ckcarchitect.com/uploads/1/3/0/9/130969166/ca8932fe7958.pdf
    • https://cdn.shopify.com/s/files/1/0435/4247/9000/files/ronupubatipajutegi.pdf
    • https://cdn.shopify.com/s/files/1/0448/4349/9677/files/artificial_intelligence_and_the_future_of_work.pdf
    • https://cdn.shopify.com/s/files/1/0437/8220/9698/files/tejedopivawufuwejo.pdf
    • https://cdn.shopify.com/s/files/1/0439/7917/8142/files/administracion_estrategica_de_recursos_humanos.pdf
    • https://cdn.shopify.com/s/files/1/0433/0304/3230/files/suruzejizos.pdf
    • https://cdn.shopify.com/s/files/1/0433/5897/8207/files/xewodugoruwizoniwarosa.pdf
    • https://cdn.shopify.com/s/files/1/0427/9091/2159/files/37185975228.pdf
    • https://cdn.shopify.com/s/files/1/0434/2631/6455/files/immunisation_schedule_qld_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/gexizarelikezoletoge.pdf
    • https://cdn.shopify.com/s/files/1/0437/7998/1470/files/microbial_ecology.pdf
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/59706007594.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006115.bin
b28867a62264d0a9d52f96aa1b58ab5af519543fba9c845be097d2623c427fd7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6115 5264 bytes
font_01_sfnt_off000072e6.bin
1f3981b36f5c688d7db9cfda367460c42285aca1dc32e027cd3e49ceeeca7104		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E6 10572 bytes

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