Malicious PDF — malware analysis report

Static analysis result for SHA-256 302d1bdb111a1ad3…

MALICIOUS

PDF

43.6 KB Created: 2020-08-24 03:29:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60a3e133bdc4bc6d29aa0eceb2731d33 SHA-1: d733da300b9f11863615c1ebdcb8e5013fcd0e59 SHA-256: 302d1bdb111a1ad3252955613a353dfde9538b3e45447b7bf048debd034a0d4c
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to malicious infrastructure, disguised as a book download. The document body, though heavily obfuscated, contains the target URL and several other URLs that appear to be part of a link farm. The primary malicious URL is https://ttraff.cc/pify?keyword=bare+knuckle+boxing+book+pdf, which is flagged as a malicious redirector. The file's structure and embedded links suggest a social engineering attack aimed at directing users to malicious content.

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=bare+knuckle+boxing+book+pdf
    • http://mizopagez.beardedbomb.com/uploads/1/3/1/0/131070894/tikavoliz.pdf
    • http://files.livinggodsmission.com/uploads/1/3/0/8/130874413/femobupowufebekoluta.pdf
    • https://cdn.shopify.com/s/files/1/0434/3591/7464/files/88041332746.pdf
    • https://cdn.shopify.com/s/files/1/0434/6806/2872/files/94007191702.pdf
    • https://cdn.shopify.com/s/files/1/0435/0623/7604/files/xazax.pdf
    • https://cdn.shopify.com/s/files/1/0463/2628/4445/files/insert_photo_into_google_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0437/9544/7970/files/neditawamaripisuvixaz.pdf
    • https://cdn.shopify.com/s/files/1/0429/7375/7603/files/allahabad_high_court_judgement_order_copy.pdf
    • https://cdn.shopify.com/s/files/1/0437/5078/5173/files/appium_android_studio.pdf
    • https://cdn.shopify.com/s/files/1/0437/7496/7965/files/broken_silence_natasha_preston.pdf
    • https://cdn.shopify.com/s/files/1/0437/1818/1016/files/qualitative_characteristics_of_accounting_information.pdf
    • https://cdn.shopify.com/s/files/1/0432/7371/5870/files/32346526631.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_off00006b9d.bin
e39dd0a02ace6d766c199dd6156b508906aa9b50134bae5b0eefd842b7e25715		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9D 5464 bytes
font_01_sfnt_off00007e42.bin
08bc843b4354dbe8c3b6c448c4e6043cca02124fe6adf51005093939c43c617c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E42 10508 bytes

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