Malicious PDF — malware analysis report

Static analysis result for SHA-256 5239970230d97878…

MALICIOUS

PDF

34.2 KB Created: 2020-08-19 01:43:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 778fe8fa0c4a2207f1021dc2242c7c75 SHA-1: fbd216e74f57c1276306c03e7bb5d7aa9c30c77f SHA-256: 5239970230d978786107c6486354cc026411db54bc86b8c713299d163aaff99b
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=african+animals+video+free'. This indicates a social engineering lure, likely attempting to trick the user into visiting a malicious site. The document also exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or manipulate search engine results. 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.com/pify?keyword=african+animals+video+free
    • http://mebuzusaf.wolffundraising.org/uploads/1/3/2/7/132712207/jebexobenaxowuniki.pdf
    • http://files.desertcrewphotography.com/uploads/1/3/0/7/130776485/wuxigi.pdf
    • http://fofod.boutiquemystral.com/uploads/1/3/1/8/131856706/9465190.pdf
    • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/juwudujituwirubunonafola.pdf
    • https://cdn.shopify.com/s/files/1/0440/3593/2310/files/circuit_diagram_of_potential_transformer.pdf
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/high_level_disinfection_log_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0436/8665/8213/files/17432486818.pdf
    • https://cdn.shopify.com/s/files/1/0433/3253/4422/files/xikebobevuwowaluxugilomew.pdf
    • https://cdn.shopify.com/s/files/1/0432/2128/7080/files/95065134684.pdf
    • https://cdn.shopify.com/s/files/1/0436/9534/1723/files/apertura_inglesa_ajedrez.pdf
    • https://cdn.shopify.com/s/files/1/0431/7036/5602/files/tirikuzixadidevabumabu.pdf
    • https://cdn.shopify.com/s/files/1/0438/4433/7824/files/40709733542.pdf
    • https://cdn.shopify.com/s/files/1/0430/6049/4490/files/41731715257.pdf
    • https://cdn.shopify.com/s/files/1/0433/5609/4614/files/xumepipopipabenixuvelod.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_off000049e4.bin
dfbdbeba34cfacf746569a1f097bf2b60c9338e45108efd60ee3b78bbcb83bbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49E4 5216 bytes
font_01_sfnt_off00005b82.bin
2992c9a9b16d753d656741a44b7acdfa5ca84490d842c681ec2138d8622eed8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B82 9516 bytes

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