Malicious PDF — malware analysis report

Static analysis result for SHA-256 32e2ead8ef42ee96…

MALICIOUS

PDF

40.8 KB Created: 2020-08-07 08:21:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ceae363f160dcc55eaf0621a59b3750 SHA-1: 93aae53592b1ea90d014e5fa4579b5731bd212b8 SHA-256: 32e2ead8ef42ee969639734fa433879d5a82e386d0b3497791be554e6e8132ff
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The primary malicious URL identified is https://ttraff.ru/pify?keyword=caballeros+templarios+pdf+gratis. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. The document body contains garbled text but includes the malicious URL and several other URLs hosted on cdn.shopify.com and other file-sharing domains.

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.ru/pify?keyword=caballeros+templarios+pdf+gratis
    • http://files.wisdomboulevard.com/uploads/1/3/1/4/131453465/sufobelulosuk.pdf
    • http://files.russcarlton.com/uploads/1/3/1/4/131453214/c6f6eb4dafc8.pdf
    • http://files.kayjacksonart.com/uploads/1/3/0/7/130776745/6164232.pdf
    • https://cdn.shopify.com/s/files/1/0430/3103/6053/files/67346569565.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wowivitotorinu.pdf
    • https://cdn.shopify.com/s/files/1/0434/6737/4758/files/tifedobezisipis.pdf
    • https://cdn.shopify.com/s/files/1/0432/6653/9673/files/majisolizeg.pdf
    • https://cdn.shopify.com/s/files/1/0430/5040/1943/files/benim_hocam_corafya_soru_bankas.pdf
    • https://cdn.shopify.com/s/files/1/0428/9114/9471/files/88402542213.pdf
    • https://cdn.shopify.com/s/files/1/0441/0081/2952/files/c_concatenate_string_and_int.pdf
    • https://cdn.shopify.com/s/files/1/0448/1790/7874/files/michael_a_pastoral_poem.pdf
    • https://cdn.shopify.com/s/files/1/0430/5921/6537/files/scissor_cutting_practice.pdf
    • https://cdn.shopify.com/s/files/1/0440/9124/4696/files/2975562373.pdf
    • https://cdn.shopify.com/s/files/1/0432/1450/4093/files/72518973881.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_off00005cb1.bin
a442e11503d4041c8949e84fd6e5fa107ae7a489e65a01c02f4bd59e8816a7bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CB1 5404 bytes
font_01_sfnt_off00006ef1.bin
bc812cddac7a366a44a9bbb3f4f40bbec40bb8a4d0704999584a456a3fea1c54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF1 11812 bytes

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