Malicious PDF — malware analysis report

Static analysis result for SHA-256 785917adc19f621c…

MALICIOUS

PDF

46.7 KB Created: 2020-08-27 21:53:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1a393e13a071c527f3b6863da139f645 SHA-1: 6021a487384f843bbec4c83f106f72a1d250feed SHA-256: 785917adc19f621c3350ae9e5e5ff646e3fc7002faa6aa009572c154b244196e
128 Risk Score

Malware Insights

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

The PDF file contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The document body text, though corrupted, contains keywords related to 'Archie comics download pdf' and a call-to-action phrase, reinforcing the lure. The primary malicious URL, https://ttraff.cc/pify?keyword=archie+comics+download+pdf, is a known redirector, likely leading to further malicious content or malware download.

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.cc/pify?keyword=archie+comics+download+pdf
    • http://files.yellowmedicinereviewstore.com/uploads/1/3/1/3/131381109/0b4fc.pdf
    • http://files.entechinspections.com/uploads/1/3/1/4/131437157/7dac105d.pdf
    • http://files.bridgewaypropertiesinc.com/uploads/1/3/0/8/130873833/gegexuwetuv-janugunalabifo.pdf
    • http://files.mesajuniors.com/uploads/1/3/1/4/131453749/8056776.pdf
    • https://cdn.shopify.com/s/files/1/0430/7245/4807/files/34001278930.pdf
    • https://cdn.shopify.com/s/files/1/0432/5575/9011/files/deezloader_remix_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/2194/3463/files/fortnite_out_of_date_replays.pdf
    • https://cdn.shopify.com/s/files/1/0430/1930/5113/files/american_pickers_episode_list.pdf
    • https://cdn.shopify.com/s/files/1/0455/3677/2261/files/sedoririzukagobejumuzi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9570/4227/files/8374334173.pdf
    • https://cdn.shopify.com/s/files/1/0437/2293/2373/files/83581368875.pdf
    • https://cdn.shopify.com/s/files/1/0434/9621/0594/files/38058168614.pdf
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/desoto_county_library_mississippi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8296/3349/files/xisikepoxamefazebijav.pdf
    • https://cdn.shopify.com/s/files/1/0434/1586/3463/files/bapepidinavijaxalemijipop.pdf
    • https://cdn.shopify.com/s/files/1/0436/6244/2661/files/43739000638.pdf
    • https://cdn.shopify.com/s/files/1/0429/2077/1750/files/website_development_contract.pdf
    • https://cdn.shopify.com/s/files/1/0429/5009/9107/files/92380248326.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005696.bin
2958196091e9c8c3ed2abd6155d56e50d2408122e022de71b0e8d2e8761526f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5696 5476 bytes
font_01_sfnt_off0000690f.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x690F 1800 bytes
font_02_sfnt_off0000719d.bin
59cd14f250afc26d0fcb0079c5b80fee47d1cdfefbe6e3a245bfec773e4f4e28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x719D 10668 bytes
font_03_sfnt_off00009642.bin
fbe495b75c5a8c8acf523d54f1517150ad20b3206d0595af7d63abd9231f2001		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9642 16756 bytes

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