Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6e374ceb7ea3c0b…

MALICIOUS

PDF

982.3 KB Created: 2020-08-05 15:39:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03291794b7e6a037f84df6615b34ec1d SHA-1: b5d51b9495bb580019c97a3c9c13a786cf7217b5 SHA-256: e6e374ceb7ea3c0b9b9f38d8c0cbbbcfb7dbe201a168676366875ee69fe9edc7
60 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. The link `https://ttraff.cc/pify?keyword=advances+in+structural+adhesive+bonding+pdf` is the primary indicator of malicious intent. This suggests the document is designed to redirect users to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier clean score 0.1395

Heuristics 2

  • 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.
  • 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=advances+in+structural+adhesive+bonding+pdf
    • http://vinamo.erictigley.com/uploads/1/3/1/6/131637016/xijuxawi-befaxanowuzej-lafixed.pdf
    • http://files.elimsandiego.net/uploads/1/3/0/8/130874522/f249c5d017a.pdf
    • http://files.drjessicabc.com/uploads/1/3/0/9/130968921/8218905.pdf
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/35796085773.pdf
    • https://cdn.shopify.com/s/files/1/0433/7677/1224/files/john_mcmurry_organic_chemistry_8th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/3046/3142/files/seramopakilabe.pdf
    • https://cdn.shopify.com/s/files/1/0435/2730/7416/files/pojinarodoruvolopaxupedel.pdf
    • https://cdn.shopify.com/s/files/1/0430/2385/9873/files/kimomegif.pdf
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/47336869324.pdf
    • https://cdn.shopify.com/s/files/1/0435/3648/2458/files/ramowexetif.pdf
    • https://cdn.shopify.com/s/files/1/0431/7157/8024/files/45181753658.pdf
    • https://cdn.shopify.com/s/files/1/0437/9820/0481/files/fipumezaroralubebo.pdf
    • https://cdn.shopify.com/s/files/1/0427/4513/5260/files/75283416733.pdf
    • https://cdn.shopify.com/s/files/1/0430/3680/3233/files/jojokugabikoneserumosi.pdf
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/preschool_curriculum_guide.pdf
    • https://cdn.shopify.com/s/files/1/0438/4695/9261/files/lotto_number_generator.pdf
    • https://cdn.shopify.com/s/files/1/0440/6876/5848/files/99594663529.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_off000ec92c.bin
51a9cd5d446fad925fffa12533853fda771f74ba202aee2a287262ff125166c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC92C 2588 bytes
font_01_sfnt_off000ed34a.bin
319ff26d4b7a1d967af592074909ba25dca906a1fbf9a020b5cdba00f2ae3bd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED34A 5608 bytes
font_02_sfnt_off000ee65a.bin
05d9caf1a6292add4407cdc1532a00f8f8dea4c24d0775e5bb3a1eb9ea0e51dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE65A 21012 bytes
font_03_sfnt_off000f06bb.bin
4711058d7c9d677550456571b14f97155d6ccdcf6292d51d16b510f388ba0a72		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF06BB 18888 bytes

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