Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e2c64459726588a…

MALICIOUS

PDF

35.4 KB Created: 2020-08-21 22:03:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 50d399efee88c13ab4e3a180972e658e SHA-1: 30dfba82992e7584d9db9ff379fdea154aa60510 SHA-256: 1e2c64459726588a1e2332a5861b98be6a41a9b9618bc2c705eac99df2c9a3c0
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Ambulance victoria transport form' and the malicious URL, suggesting a phishing lure. The presence of a mass external PDF link farm also indicates suspicious activity, likely for SEO poisoning or to obscure the primary malicious destination.

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.com/pify?keyword=ambulance+victoria+transport+form
    • http://files.broadcastcoffeeroasters.com/uploads/1/3/0/9/130969448/bubibize.pdf
    • https://cdn.shopify.com/s/files/1/0430/7664/9127/files/tutorial_autocad_map_3d.pdf
    • https://cdn.shopify.com/s/files/1/0433/7234/7550/files/93124013014.pdf
    • https://cdn.shopify.com/s/files/1/0434/0740/9308/files/easy_button_gif.pdf
    • https://cdn.shopify.com/s/files/1/0432/2459/6642/files/burisajugegeviwan.pdf
    • https://cdn.shopify.com/s/files/1/0429/8801/1673/files/4873846465.pdf
    • https://cdn.shopify.com/s/files/1/0439/2566/7995/files/gerupobiwaxupufe.pdf
    • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/bulk_sms_sender_software_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/papal.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdf
    • https://cdn.shopify.com/s/files/1/0433/3545/0774/files/free_car_maintenance_manuals.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.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_off00004d68.bin
fbe0540d2e1e9d15d7a45b27aa34c8c595546e2b9886287851d5990cb05441b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D68 5352 bytes
font_01_sfnt_off00005f7e.bin
6f87a73cb241bdd1ab8aa9b8178c63d5f0f234804d0f67f10b7ee297f45ea76d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7E 9836 bytes

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