Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1d0aeae152e36a4…

MALICIOUS

PDF

51.0 KB Created: 2020-09-01 01:26:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0380a94eca243d4cfed78cff958b81d3 SHA-1: 57d033b8ec64af625b72cb972af58d7f11ffdcf9 SHA-256: c1d0aeae152e36a474d0d68a4a5b3491d4c1dff3a87cdc11288ed7ed162ac4b5
150 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'business model canvas osterwalder pdf' and the malicious URL. This suggests a social engineering tactic to trick users into clicking the link, likely leading to further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/wix?keyword=business+model+canvas+osterwalder+pdf
    • https://cdn.shopify.com/s/files/1/0434/4312/6438/files/mazebo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7881/9735/files/65459495635.pdf
    • https://cdn.shopify.com/s/files/1/0432/9088/6312/files/lujitavelasibukune.pdf
    • https://cdn.shopify.com/s/files/1/0434/5357/9430/files/demibafodolaxanoxis.pdf
    • https://cdn.shopify.com/s/files/1/0431/7921/2960/files/sausage_party_full_movie_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/0716/5095/files/car_service_check_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/cell_culture_media_market.pdf
    • https://static.usrfiles.com/ugd/6da380_b4fd7ea94a744bbfbe3ff375ee5cb0cf.pdf
    • https://static.usrfiles.com/ugd/b8c837_c046e6c9db3f4ae79f7e44e1e978235e.pdf
    • https://cdn.shopify.com/s/files/1/0462/6415/6314/files/sixodijuxi.pdf
    • https://cdn.shopify.com/s/files/1/0432/4642/0136/files/80091451770.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b83.bin
f4af47e0152b5c1db94540c1b872a36226e3e9eb836ff3a1585a470c59bd188f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B83 5384 bytes
font_01_sfnt_off00008dc4.bin
758703a8e74186ffca33b4741aa40b4bcde4cbaadb76f6854180519770634a32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DC4 10344 bytes
font_02_sfnt_off0000b123.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB123 4324 bytes

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