Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce6c2a1199243c16…

MALICIOUS

PDF

81.1 KB Created: 2020-08-09 15:49:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c7a8e2c0477bf90d3ed892ff59d02a5 SHA-1: 730816dd4abf64c2f568805e66aa82abb2a79f67 SHA-256: ce6c2a1199243c161a8fe0f957c6f33da0d1bc7eaf4e9fc70136034fd0dbe0a1
120 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=genetics+from+genes+to+genomes+5th+edition+pdf+free'. This indicates a social engineering attempt to trick users into visiting a malicious site, likely for credential harvesting or further malware delivery. The document body, though heavily obfuscated, contains the same URL, reinforcing the lure.

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.ru/pify?keyword=genetics+from+genes+to+genomes+5th+edition+pdf+free
    • http://files.homegrownpillows.com/uploads/1/3/1/4/131453432/2886875.pdf
    • http://nufoja.justjig.com/uploads/1/3/0/8/130814017/detisitenijikumir.pdf
    • http://files.capitolhillhealingartscollective.com/uploads/1/3/2/8/132814848/433077.pdf
    • http://xofame.gatherph.com/uploads/1/3/0/9/130969060/7049800.pdf
    • http://files.polowl.com/uploads/1/3/0/7/130775834/gegiresaz.pdf
    • https://cdn.shopify.com/s/files/1/0434/8523/3318/files/exercise_simple_present_tense.pdf
    • https://cdn.shopify.com/s/files/1/0434/6095/2229/files/62058924553.pdf
    • https://cdn.shopify.com/s/files/1/0432/2567/7982/files/rujob.pdf
    • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/sinofeju.pdf
    • https://cdn.shopify.com/s/files/1/0429/9459/8047/files/lawoxinaponutatakukubugoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4325/8522/files/kisologe.pdf
    • https://cdn.shopify.com/s/files/1/0431/0715/6128/files/bankers_adda_august_month_current_affairs.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56325204281.pdf
    • https://cdn.shopify.com/s/files/1/0434/5928/1048/files/25052335879.pdf
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/99863957298.pdf
    • https://cdn.shopify.com/s/files/1/0438/5813/3152/files/25186952889.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_off0000f430.bin
db6520e2569fbca2d7144655854f7694060e5f2734ada9b8b962cbf3c077cb13		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF430 5484 bytes
font_01_sfnt_off000106b7.bin
3cf14f5fe421e73b7cab131a449e99c82a9fcc547ec63deafd7790e1e90317a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x106B7 15164 bytes

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