Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed806e35ed841461…

MALICIOUS

PDF

69.3 KB Created: 2020-08-12 14:19:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3eea51d3f9c6486c1146ad57d103b306 SHA-1: d08d46800d2f4397947a5685c7ea3253e8e94808 SHA-256: ed806e35ed841461a95c156c05fdad788d337fff604a2c92883309940384be18
120 Risk Score

Malware Insights

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

The PDF was flagged for containing a malicious redirector link and a large number of external links, indicating a link farm. The primary malicious URL identified is ttraff.com, which is used in conjunction with a keyword that suggests a lure. The document body is heavily obfuscated and contains remnants of the URL, confirming its presence within the file's 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.com/pify?keyword=caranx+ignobilis+pdf
    • http://files.tannerpittmanlaw.com/uploads/1/3/1/3/131397946/d2aaf8a078cc.pdf
    • http://files.engineerabull.com/uploads/1/3/1/8/131856556/vejilupajukukiw-xijeke.pdf
    • http://files.pearladamswgi.com/uploads/1/3/0/7/130739212/tiporisisamunefas.pdf
    • https://cdn.shopify.com/s/files/1/0432/8429/9936/files/guwuzakebavuw.pdf
    • https://cdn.shopify.com/s/files/1/0436/7079/8489/files/buyer_s_guide.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/93612786864.pdf
    • https://cdn.shopify.com/s/files/1/0437/4416/6037/files/nios_admission_form_2020.pdf
    • https://cdn.shopify.com/s/files/1/0435/8891/1267/files/65219625451.pdf
    • https://cdn.shopify.com/s/files/1/0433/3459/8809/files/40549028985.pdf
    • https://cdn.shopify.com/s/files/1/0428/6529/5526/files/warusomodafofikelalezotem.pdf
    • https://cdn.shopify.com/s/files/1/0430/0252/7895/files/56132561535.pdf
    • https://cdn.shopify.com/s/files/1/0433/9456/4252/files/stronghold_builder_s_guidebook_3._5.pdf
    • https://cdn.shopify.com/s/files/1/0428/8095/8617/files/what_is_topology_in_computer_network.pdf
    • https://cdn.shopify.com/s/files/1/0431/3192/8740/files/21797496172.pdf
    • https://cdn.shopify.com/s/files/1/0437/9007/4005/files/apocalypse_world_fr.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_off0000d1b2.bin
18d53dabd65bec4a5b740015051a89843ab5d7193f74778af7d9da2c7cc88981		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD1B2 5320 bytes
font_01_sfnt_off0000e3d5.bin
cc5cd474a2e6ba112ae78763b59b7e3f40b05e726f1fbe7596ba3b9793dd7570		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE3D5 10732 bytes

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