Malicious PDF — malware analysis report

Static analysis result for SHA-256 a33d3631b3bce744…

MALICIOUS

PDF

148.5 KB Created: 2020-08-04 14:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4875f5fe606f9a3e52f218906008de9a SHA-1: 80fc665674f4d50f7de01edf43b3cfe3a1ebf716 SHA-256: a33d3631b3bce744ccdb16785c51415535f1aaabc0f1bf6cb2891e89487dd004
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=manual+pr%25C3%25A1ctico+del+operador+de+calderas+industriales+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting it is the primary lure. The file's purpose is to redirect the user to this malicious site, likely for phishing or to download further malicious content.

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.com/pify?keyword=manual+pr%25C3%25A1ctico+del+operador+de+calderas+industriales+pdf
    • http://files.jewellhealingsource.com/uploads/1/3/1/4/131453530/wokovemez-gotipugajes.pdf
    • http://disuximu.revjeremiahrood.com/uploads/1/3/0/9/130969060/dafivimikurakasa.pdf
    • http://polafonat.adorote.org/uploads/1/3/1/4/131408024/misuduzelononezevine.pdf
    • http://files.centralmissouricarpenters.org/uploads/1/3/2/6/132682124/sigirabas.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datofugilasififuko.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdf
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/65477069777.pdf
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/95121114204.pdf
    • https://cdn.shopify.com/s/files/1/0432/5038/5051/files/furulojosoj.pdf
    • https://cdn.shopify.com/s/files/1/0432/6208/3232/files/sazexetimenujawot.pdf
    • https://cdn.shopify.com/s/files/1/0432/3590/1602/files/82703291678.pdf
    • https://cdn.shopify.com/s/files/1/0437/7382/1082/files/vupiboselodudejar.pdf
    • https://cdn.shopify.com/s/files/1/0430/8356/3162/files/representational_state_transfer.pdf
    • https://cdn.shopify.com/s/files/1/0430/9411/4453/files/motovizozulidovin.pdf
    • https://cdn.shopify.com/s/files/1/0431/2177/0656/files/82278819201.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001e919.bin
828d9be2834f79c6e86865816a8fbc4dee17942d2979499c9042a99a0c1d76f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E919 5272 bytes
font_01_sfnt_off0001fa79.bin
3aa36d8fbe08ab9153070a5ad8222d5c8bb7b9f78780a1faa57a2be5936c77e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FA79 18968 bytes
font_02_sfnt_off0002336b.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2336B 4324 bytes

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