Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6fc2562c59b7104…

MALICIOUS

PDF

138.7 KB Created: 2020-08-05 23:40:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7865224f8ce065198d53ff5d7c5210ae SHA-1: 6d29177f06f85247c5d6b9a7e3efe870198ca5e8 SHA-256: f6fc2562c59b710436f30f7a959b1791ed700a64f01ebfc34304f5d3ae893219
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains embedded JavaScript and a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=bgp+protocol+pdf'. This indicates the document is designed to redirect users to a malicious site, likely for phishing or malware distribution. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm SEO tactic to improve search engine visibility for malicious content.

Heuristics 4

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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=bgp+protocol+pdf
    • http://files.nyimafoundation.org/uploads/1/3/0/7/130776489/d1f8e801fb62d.pdf
    • http://lizufufod.blingattiphanys.com/uploads/1/3/1/3/131380126/zudarev.pdf
    • http://fagato.rajaampatdivers.com/uploads/1/3/1/6/131637316/05e5993f672c1.pdf
    • https://cdn.shopify.com/s/files/1/0434/4738/6264/files/fametibaxene.pdf
    • https://cdn.shopify.com/s/files/1/0432/5575/9011/files/napa_oil_filter_cross_reference.pdf
    • https://cdn.shopify.com/s/files/1/0440/6090/1528/files/32074954172.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/669297692.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/munipi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7197/9172/files/92362567899.pdf
    • https://cdn.shopify.com/s/files/1/0432/4379/8683/files/biblia_de_estudio_inductivo_reina_valera_1960.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81579197248.pdf
    • https://cdn.shopify.com/s/files/1/0428/1407/9143/files/vizolesamubizere.pdf
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/nedafugapijini.pdf
    • https://cdn.shopify.com/s/files/1/0437/9167/9637/files/griffith_electrodynamics_4th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/4585/5137/files/4262494302.pdf
    • https://cdn.shopify.com/s/files/1/0432/1574/9281/files/kezatowemabiz.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000147a3.bin
d641920108d48877771ed43666bf4f245ceec66b2aa592d51e66a01c25dcabb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x147A3 45608 bytes
font_01_sfnt_off0001c25b.bin
0ca7cb96342a0c5e04add5ed2aae9bac0f4cb27d354edf46905162caea141fdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C25B 4984 bytes
font_02_sfnt_off0001d36c.bin
9c14e37c213282b8bc4ffa5a7fb6136e5e435d20b0dda4494a068a62e907595c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D36C 16780 bytes
font_03_sfnt_off00020712.bin
fbeccb1482ee56052ed809ec6cb7dfbc577d51b9212e43fffabc93e29761b6bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20712 16248 bytes

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