Malicious PDF — malware analysis report

Static analysis result for SHA-256 89dffa3e46674c2b…

MALICIOUS

PDF

39.3 KB Created: 2020-08-28 11:38:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 435bcd3eb7b2cf996a4d506292a2c93e SHA-1: 7978d5c4034b692ae16de2edcca5e26a9f08410d SHA-256: 89dffa3e46674c2b2edaf1f81e4d9b9e027b4af6ecca3b2ea444697b341d9e21
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a common tactic for distributing malware or conducting phishing attacks. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=apple+airport+time+capsule+manual', which is designed to obscure the final malicious destination. The document body, though partially corrupted, suggests a lure related to an 'Apple airport time capsule manual', aiming to trick users into clicking the malicious links.

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.cc/pify?keyword=apple+airport+time+capsule+manual
    • http://files.casieaceea.org/uploads/1/3/2/6/132695575/f92b7800957f88.pdf
    • http://files.ssfitnesstraining.com/uploads/1/3/0/8/130874564/lariraraw_letavapetojewa_safujigefumabe_mamiloge.pdf
    • http://files.saddlebrookstables.com/uploads/1/3/2/6/132683289/4300469.pdf
    • https://cdn.shopify.com/s/files/1/0434/4938/5126/files/lozuropexedakiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/5381/7749/files/togamimise.pdf
    • https://cdn.shopify.com/s/files/1/0432/5317/0334/files/canon_eos_10d_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/23778142711.pdf
    • https://cdn.shopify.com/s/files/1/0430/5348/2135/files/billboard_top_100_1978.pdf
    • https://cdn.shopify.com/s/files/1/0432/5185/9611/files/exercice_numration_cm2.pdf
    • https://cdn.shopify.com/s/files/1/0433/4593/6534/files/matrix_hair_color_chart.pdf
    • https://cdn.shopify.com/s/files/1/0431/2308/1373/files/gilekoteza.pdf
    • https://cdn.shopify.com/s/files/1/0432/5058/1662/files/add_watermark_image_google_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0438/1245/4560/files/11255296792.pdf
    • https://cdn.shopify.com/s/files/1/0430/6134/6466/files/jorunuvad.pdf
    • https://cdn.shopify.com/s/files/1/0435/6141/8913/files/exquisito_cadaver_rafael_acevedo.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/
    • https://cdn.shopify.com/s/files/1/0438/1245/4560/fi

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bd7.bin
8bda1eb0e9ff3d2acb17a4e834b30c2195d76704bc548f8e77f1046c5b0aa89e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD7 5068 bytes
font_01_sfnt_off00006cf6.bin
a9e4aed034e952353a50b1ba6c8cb62d4bff4029a87acaf4bfc78f4ad58e2cf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CF6 10288 bytes

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