Malicious PDF — malware analysis report

Static analysis result for SHA-256 c56e0d08f42ac862…

MALICIOUS

PDF

40.6 KB Created: 2020-08-12 10:13:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70630a1637e7c53d888930aa5eb27170 SHA-1: 33d8317c22cb4ba4785908991e371187bf0f0ba3 SHA-256: c56e0d08f42ac862920d9e04d7279db45dfcd07866e69c2dc6ed9d40c6935faa
208 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body and heuristics suggest a lure related to 'Aadhar card pdf password download' and a password-protected archive, combined with an MFA harvesting lure. This indicates a phishing attempt designed to trick users into providing credentials or MFA approval, potentially to bypass security measures or steal session tokens. The presence of a link farm further supports a malicious intent to distribute or redirect users to harmful content.

Heuristics 6

  • 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.
  • 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
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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=aadhar+card+pdf+password+download
    • http://files.brookesummers.blog/uploads/1/3/2/3/132302710/c0b0ad7.pdf
    • http://files.kristynlanggundlach.com/uploads/1/3/0/7/130739330/rijeloxodugozamu.pdf
    • http://files.hivetextension.com/uploads/1/3/1/0/131070109/tofawedijizaxun.pdf
    • http://xuxose.thedogrescuers.com/uploads/1/3/1/6/131607062/4eae4be.pdf
    • https://cdn.shopify.com/s/files/1/0437/2496/3990/files/adrenalina_do_amor.pdf
    • https://cdn.shopify.com/s/files/1/0436/8223/4521/files/edexcel_a_level_physics_revision_notes.pdf
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/wowixokodopo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4364/2773/files/97247841775.pdf
    • https://cdn.shopify.com/s/files/1/0437/7473/8593/files/38987780429.pdf
    • https://cdn.shopify.com/s/files/1/0432/6447/5299/files/business_proposal_for_website_development.pdf
    • https://cdn.shopify.com/s/files/1/0434/4745/1798/files/python_pie_chart.pdf
    • https://cdn.shopify.com/s/files/1/0437/7637/6983/files/textview_caraters_delimitation.pdf
    • https://cdn.shopify.com/s/files/1/0428/7964/7903/files/simpsons_diversity_index.pdf
    • https://cdn.shopify.com/s/files/1/0439/3569/5016/files/10223586667.pdf
    • https://cdn.shopify.com/s/files/1/0448/1197/6855/files/abound_with_blessings.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_off00006002.bin
dd9034355b85b7dac38cb20fbc2254c13b91bef681a54766b2b199d0a9add090		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6002 5324 bytes
font_01_sfnt_off00007225.bin
63ece445a74aad4c9266f6019c72c5faa2cde05712a1e134a97139290e434937		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7225 10348 bytes

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