Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bf64b2626100c43…

MALICIOUS

PDF

42.9 KB Created: 2020-08-04 20:46:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c2e459b34b26fdee975ba6ba9dd0bc2 SHA-1: f1af8c70d0b8432e51a18950b3e126b9beac11fb SHA-256: 9bf64b2626100c4361299b7eaa496bbb9990c4ceaf300ccfabcd5fcb7df11d05
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'budgeting in the public sector pdf' and includes the malicious URL. This suggests the PDF is designed to trick users into visiting a malicious site, likely for phishing or malware distribution. No scripts were extracted from this sample.

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=budgeting+in+the+public+sector+pdf
    • http://files.hebshf.com/uploads/1/3/1/8/131871462/7644777.pdf
    • http://files.taylortechnology13.com/uploads/1/3/1/6/131606186/9391928.pdf
    • http://files.kasubaworks.com/uploads/1/3/1/4/131483445/mewudenizuguref.pdf
    • http://files.northweststeamart-uk.com/uploads/1/3/1/4/131438111/lalogitememilazeke.pdf
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/westworld_s01e08_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0430/8838/0061/files/58142084863.pdf
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/dediwu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5222/1091/files/22831902621.pdf
    • https://cdn.shopify.com/s/files/1/0429/8801/1673/files/xukilopozunira.pdf
    • https://cdn.shopify.com/s/files/1/0432/9511/3374/files/43516927130.pdf
    • https://cdn.shopify.com/s/files/1/0436/1699/3440/files/dakadepuregewifuzafeb.pdf
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/1998_ford_mustang_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/1744/4264/files/88948704984.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6472/files/14050440539.pdf
    • https://cdn.shopify.com/s/files/1/0430/3588/5725/files/97345013543.pdf
    • https://cdn.shopify.com/s/files/1/0433/3892/4181/files/padikutofunotuj.pdf
    • https://cdn.shopify.com/s/files/1/0431/9903/7595/files/lalik.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_off000068a9.bin
a1269ddcad71d256989549c60662822e61f3d14a1802fc8ab365016ae3933538		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68A9 5396 bytes
font_01_sfnt_off00007afc.bin
399951f57e6a9591e6fe1dea7c3016248e262841795fdb4ca5ec59c08ad3dc37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AFC 10272 bytes

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