Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3ee1cc711c47ca9…

MALICIOUS

PDF

38.8 KB Created: 2020-08-25 06:56:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d57ed5925a1f29b166daa070158c37f SHA-1: 8787f9563e34606245d69fdabf4085aebc24d9bc SHA-256: c3ee1cc711c47ca9c9ae0b14b82fcbf8876a84fc153673fff1c12637bcb2411e
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to a link farm hosted on cdn.shopify.com. One of these links, presented as a free movie intro template, redirects to a known malicious URL (ttraff.cc). This indicates a social engineering attack aimed at redirecting users to malicious infrastructure.

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=movie+intro+after+effects+template+free
    • http://files.bamboobabyboutique.com/uploads/1/3/1/3/131398010/6156352.pdf
    • http://xetajuk.anneboring.com/uploads/1/3/0/8/130813747/8491483.pdf
    • http://zarupiv.vincentsgermanshepherds.com/uploads/1/3/2/3/132302868/2926444.pdf
    • http://luzukudax.laraffinerie-sg.com/uploads/1/3/0/8/130813528/bidigofigewabosise.pdf
    • http://gaguxamep.fleurspressed.com/uploads/1/3/2/6/132696067/4703236.pdf
    • https://cdn.shopify.com/s/files/1/0428/3482/1287/files/zegivexutu.pdf
    • https://cdn.shopify.com/s/files/1/0437/3915/2535/files/xonogasidugamomatu.pdf
    • https://cdn.shopify.com/s/files/1/0429/8765/1235/files/bubazabovomimojaxeterajeg.pdf
    • https://cdn.shopify.com/s/files/1/0440/4314/1285/files/blister_packaging_materials.pdf
    • https://cdn.shopify.com/s/files/1/0436/4288/0160/files/2268513343.pdf
    • https://cdn.shopify.com/s/files/1/0432/3688/4642/files/77633878024.pdf
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/22196559875.pdf
    • https://cdn.shopify.com/s/files/1/0429/7962/3071/files/ximoxozusazepe.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/synonyms_and_antonyms_worksheets_grade_3.pdf
    • https://cdn.shopify.com/s/files/1/0429/1713/4502/files/70687318306.pdf
    • https://cdn.shopify.com/s/files/1/0432/8072/8224/files/symbolic_toolbox_matlab.pdf
    • https://cdn.shopify.com/s/files/1/0438/5452/8677/files/80776125812.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_off000059f2.bin
e4a73883ec5230c3e60b4be2eaf665d83dd48b77437335345fde6636501397ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59F2 5224 bytes
font_01_sfnt_off00006bb5.bin
ac2b262815d70f1175b51719f50dce75b8cd35d9f387c5afd0e0bb2b5be15e31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB5 10028 bytes

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