Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d1299b69de9eff1…

MALICIOUS

PDF

44.3 KB Created: 2020-08-24 05:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fea0998090c8cbcbae911b7add51557e SHA-1: 8e32f18fe0aad97a606ee720359d903b4b4f8033 SHA-256: 8d1299b69de9eff1f6d595c5f61d39d06ed917e74fec29b769307db507ceaf25
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm designed to redirect users. One of the primary links points to a known malicious redirector, ttraff.com, which is likely used to distribute further malicious content or phishing pages. The document body, though heavily obfuscated, contains keywords related to movie downloads, suggesting a lure for users seeking such content.

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=telugu+movies+2018++jio+rockers+3gp
    • http://files.becomeyogi.com/uploads/1/3/1/4/131438161/paxetumik-zerodulefivafo.pdf
    • https://cdn.shopify.com/s/files/1/0429/9292/6883/files/vinekozima.pdf
    • https://cdn.shopify.com/s/files/1/0434/2883/9581/files/daikin_ceiling_ac_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/takuz.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/jezorusatujazoji.pdf
    • https://cdn.shopify.com/s/files/1/0429/0641/9367/files/kefegulasu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7623/1072/files/house_rental_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/6325/4944/files/14687246201.pdf
    • https://cdn.shopify.com/s/files/1/0430/8415/2986/files/14820446445.pdf
    • https://cdn.shopify.com/s/files/1/0462/2870/1338/files/8823336690.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44484222312.pdf
    • https://cdn.shopify.com/s/files/1/0434/9332/7008/files/30153754415.pdf
    • https://cdn.shopify.com/s/files/1/0434/0786/8060/files/sullair_chipping_hammer_parts_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/0383/7592/files/zafawob.pdf
    • https://cdn.shopify.com/s/files/1/0433/1136/6309/files/zuxuwar.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_off0000663d.bin
104a4e72e38cecd14d2d84594f5a95307c6a5572e9b35ebf743a9d973cb9b513		 pdf-font-stream PDF embedded font (sfnt) at offset 0x663D 5876 bytes
font_01_sfnt_off00007a45.bin
efb6de70df938f21ac1e02df7f3bacdd7e6372dda2811bf037e1d9e5d7e6b53a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A45 13228 bytes

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