Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eb4f4e844ed0ec3…

MALICIOUS

PDF

41.1 KB Created: 2020-09-17 00:12:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00143094d53171533f1dc984f9c4160d SHA-1: d2165373c663d01612fa568f38cdc5d285a0d143 SHA-256: 2eb4f4e844ed0ec3e8e14b41e4e18dcc64101ce631aa3700d5897f6928904dc2
140 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to SEO-optimized PDF hosting sites, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=el+capistan+manual', suggesting a lure to a malicious site. The presence of a callback phishing lure heuristic further supports the interpretation that this document is designed to trick the user into interacting with malicious infrastructure.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/wix?keyword=el+capistan+manual
    • http://jojuw.art63lynch.com/uploads/1/3/1/4/131406436/vivew.pdf
    • http://files.rockingcleatherandboutique.com/uploads/1/3/1/3/131383510/7375545.pdf
    • http://files.childrenfirstcurriculumusa.com/uploads/1/3/2/6/132681212/12b8bfe.pdf
    • http://ruvov.pdxccc.com/uploads/1/3/1/4/131453045/zoxukulime.pdf
    • http://files.lisajanejewelry.com/uploads/1/3/1/1/131164081/gavironesebub-sijidiziju-zazigewizur.pdf
    • http://files.110fit.com/uploads/1/3/1/4/131482976/bupotaler-bofejenusodufaj.pdf
    • http://files.matteozamariaphotography.com/uploads/1/3/1/3/131382395/0a6b38.pdf
    • http://zadiwer.wnyata.com/uploads/1/3/1/0/131071095/187745.pdf
    • https://cff114e5-f35a-4f47-870b-b76ee982f527.filesusr.com/ugd/f515ca_29e747928d3c461ab331d8b8edaa7d7b.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0433/6936/5654/files/lukaz.pdf
    • https://cdn.shopify.com/s/files/1/0437/9469/4304/files/wigutosopabase.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_off000063ff.bin
08b26ab58bc37a19c851ad9d42d1bfc07a039a0f7d14d9e6db9bc63ec71c3109		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FF 4940 bytes
font_01_sfnt_off000074c1.bin
e5cdd709573e1cccd4fbd870fa4dabe996816d33fe7fc4cefc6ad5600de766ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74C1 10540 bytes

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