Malicious PDF — malware analysis report

Static analysis result for SHA-256 32ee94e08766d741…

MALICIOUS

PDF

47.1 KB Created: 2020-07-20 12:43:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ac64503d80908489cea171f00f0482b SHA-1: 055f61f33d8eb5733e7f8233f6bdbe5469d7b7d8 SHA-256: 32ee94e08766d741f83bc9bb13947c3ac5d823f0b17e3725f6e29651870ad277
128 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous links to PDFs hosted on various domains, including Shopify. The document body, though heavily obfuscated, contains keywords related to a Canon camera manual, suggesting a lure to trick users into clicking the malicious link. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wb?keyword=canon%20flash%20600ex%20rt%20ii%20manual%20pdf
    • http://files.inverlochhomecrew.com/uploads/1/3/1/8/131871659/46a40f0055f1.pdf
    • http://files.ccdcohio.com/uploads/1/3/1/4/131438776/natitotabi_rikaludadu_zalufariw.pdf
    • http://files.timothylindstrom.com/uploads/1/3/1/4/131452997/8825738.pdf
    • http://files.iiamartmodels.com/uploads/1/3/1/4/131407036/dutobagujevi.pdf
    • https://cdn.shopify.com/s/files/1/0435/9431/7981/files/68080175557.pdf
    • https://cdn.shopify.com/s/files/1/0430/6557/3537/files/60959401140.pdf
    • https://cdn.shopify.com/s/files/1/0432/2902/0317/files/91650394279.pdf
    • https://cdn.shopify.com/s/files/1/0429/6979/2668/files/11458750079.pdf
    • https://duxujevoso.files.wordpress.com/2020/07/19598599003.pdf
    • https://tugixaforufo.files.wordpress.com/2020/06/lekebifodixatofamogik.pdf
    • https://jesudutidak.files.wordpress.com/2020/06/mijib.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/lulefobekulibuxod.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58657968950.pdf
    • https://cdn.shopify.com/s/files/1/0429/1962/4870/files/tixenolugip.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32773531818.pdf
    • https://cdn.shopify.com/s/files/1/0431/7832/8221/files/nexogodimagasulew.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lexopiwalosadatijasaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/5385/0528/files/10353491179.pdf
    • https://cdn.shopify.com/s/files/1/0427/9857/9879/files/88577250367.pdf
    • https://cdn.shopify.com/s/files/1/0431/7564/1247/files/kulidudonemijafoto.pdf
    • https://cdn.shopify.com/s/files/1/0431/4379/0760/files/6927913770.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_off000079c2.bin
e54ee413c5fcc0ce008e9f8b318a2131595210a4af0323733e1cfc3e143adcf2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79C2 5548 bytes
font_01_sfnt_off00008c71.bin
3e048c3a5d6ff05f54f206a2a5be687e77dac82f68579d5c670e76849df129d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C71 10116 bytes

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