Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f99ff7f949232c5…

MALICIOUS

PDF

44.6 KB Created: 2020-08-21 21:29:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8adba0418a7d7d535cd7119d8fa0acd1 SHA-1: 7357aacfd7e42acb9371b5077e7931a83ddde56b SHA-256: 1f99ff7f949232c543e75c606981c247e92f7e3f077247e8fa8ad7547fa0bf94
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains numerous links, with one critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Kaspersky antivirus with crack' and the malicious URL 'https://ttraff.cc/pify?keyword=kaspersky+antivirus++with+crack'. This suggests a social engineering attack aiming to trick users into downloading potentially harmful software or visiting malicious sites.

Heuristics 3

  • 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.
  • 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=kaspersky+antivirus++with+crack
    • http://files.alexandracarlson.org/uploads/1/3/1/8/131857117/vakigi-lesorir-jeziwet-voxigiwere.pdf
    • http://files.revdanielgregoire.com/uploads/1/3/1/3/131398145/dakodeb_vivaxezafeperoz.pdf
    • http://levoxala.advancedtechpac.com/uploads/1/3/1/4/131483200/mepiziselu.pdf
    • http://files.mckinneyinternational.org/uploads/1/3/2/7/132740498/fevutawip.pdf
    • https://cdn.shopify.com/s/files/1/0439/3749/7243/files/caledonian_sleeper_timetable.pdf
    • https://cdn.shopify.com/s/files/1/0444/3032/7975/files/80203797226.pdf
    • https://cdn.shopify.com/s/files/1/0437/9679/1456/files/998277825.pdf
    • https://cdn.shopify.com/s/files/1/0437/3181/2504/files/47515596038.pdf
    • https://cdn.shopify.com/s/files/1/0432/4897/6032/files/38952064387.pdf
    • https://cdn.shopify.com/s/files/1/0431/3533/6616/files/gumibaxurexaler.pdf
    • https://cdn.shopify.com/s/files/1/0432/6676/9051/files/zuwategelibi.pdf
    • https://cdn.shopify.com/s/files/1/0431/3153/5524/files/pradhan_mantri_awas_yojana_surat_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/laxefasigapabaxirasu.pdf
    • https://cdn.shopify.com/s/files/1/0435/1816/5144/files/the_crucible_hysteria_blame_chart_answers.pdf
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/detective_books.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_off00006ec3.bin
db19df8d50001f292cebb5de4396baf5a93427ad118e1bca3b73864081cadc73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC3 5276 bytes
font_01_sfnt_off000080c9.bin
a4262f8f1551f0f6b728267b6046461b03bbeddc71b103af844f25011a3a3248		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80C9 10608 bytes

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