Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c9d1e71c171dc39…

MALICIOUS

PDF

151.1 KB Created: 2020-09-14 07:06:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b862a23b0e239979928c10b4b27a4037 SHA-1: dc4651d9b1b0b1a8a67657d7afedb5dd38c9df91 SHA-256: 0c9d1e71c171dc39cf0db804b9056fe45018ec869a9d1de0dc3cee96e46f0d9c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The embedded URL, 'https://ttraff.link/pify?keyword=lost+dimension+trophy+guide', is a known malicious redirector. This suggests the document is designed to lure users to a malicious site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.link/pify?keyword=lost+dimension+trophy+guide
    • http://fenedakaz.gypseyteague.com/uploads/1/3/0/7/130775129/7840336.pdf
    • http://regidur.ptpickleball.com/uploads/1/3/0/9/130969744/girudizefu-dipadapeduze-zivoxodina-kupawegugiz.pdf
    • http://files.tooutdoorsandbeyond.com/uploads/1/3/0/7/130775921/2930811.pdf
    • http://figenipe.ddjohnsonassociatesllc.com/uploads/1/3/0/8/130814579/1931964.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0432/9255/7462/files/64903768774.pdf
    • https://cdn.shopify.com/s/files/1/0431/7272/4892/files/96341380256.pdf
    • https://cdn.shopify.com/s/files/1/0432/8282/5376/files/88307115638.pdf
    • https://cdn.shopify.com/s/files/1/0465/2947/8806/files/gudagokinorenitinadug.pdf
    • https://cdn.shopify.com/s/files/1/0433/3528/6943/files/65915012615.pdf
    • https://cdn.shopify.com/s/files/1/0432/6385/2712/files/73133031919.pdf
    • https://cdn.shopify.com/s/files/1/0436/0349/3028/files/sezinulegosipu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0258/4480/files/25805999751.pdf
    • https://cdn.shopify.com/s/files/1/0429/8371/9071/files/nisafufafuliv.pdf
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/i_hate_being_sober.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/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010bf1.bin
d869bbf37ae920a09646353aadcdf598792fcfa2411da9b01d3ea535e9c575c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BF1 76052 bytes
font_01_sfnt_off0001f2e2.bin
c7fefcdbf50796d6daec59f46f89173cead369b583ed9d2652ce83481abeff23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F2E2 5176 bytes
font_02_sfnt_off00020460.bin
6f4fa45c1858cf3dff6b70957533002997b878fb85f38e119d1fa4b2f395a5ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20460 16592 bytes
font_03_sfnt_off00023746.bin
0ddbdf075a6b93c30840c956f82c28930afd570615945c5f10d387cf6e2c8926		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23746 16164 bytes

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