Malicious PDF — malware analysis report

Static analysis result for SHA-256 beabff530f1664f7…

MALICIOUS

PDF

43.6 KB Created: 2020-08-11 18:26:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90eba63860225e44d9dc76881c74ed62 SHA-1: 10669cd4df045192cb697cdf764e398323b06803 SHA-256: beabff530f1664f774f8dc1e21712fd060fde8df7e3787b139f5be291c366ec1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=ballroom+dance+step+diagrams+pdf'. This indicates a phishing or redirection attempt, likely to deliver a malicious payload or lead the user to a fraudulent site. The document body, though heavily obfuscated, contains the same lure text and URLs, reinforcing the malicious intent. No scripts were extracted, limiting the analysis of further stages.

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.ru/pify?keyword=ballroom+dance+step+diagrams+pdf
    • http://files.glastonburyforestschool.com/uploads/1/3/0/7/130738823/3493900.pdf
    • http://files.elyrialaw.com/uploads/1/3/2/6/132682966/xowifu.pdf
    • http://files.jeremywolin.com/uploads/1/3/2/6/132681670/2545585.pdf
    • https://cdn.shopify.com/s/files/1/0430/8621/7383/files/wibikeguxuveluje.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagitigupi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0513/2456/files/91628917358.pdf
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/20219814782.pdf
    • https://cdn.shopify.com/s/files/1/0433/7831/1326/files/game_bar_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0428/5127/0815/files/19224222247.pdf
    • https://cdn.shopify.com/s/files/1/0438/4099/5490/files/gaweji.pdf
    • https://cdn.shopify.com/s/files/1/0435/6594/0904/files/duruvit.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdf
    • https://cdn.shopify.com/s/files/1/0436/7246/9669/files/19863237104.pdf
    • https://cdn.shopify.com/s/files/1/0448/1312/3744/files/86945601714.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f10.bin
2bcb3a28a6afa94335e61647b2e88d20a8d003691a1e8836a591ec858322365c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F10 5312 bytes
font_01_sfnt_off000070fc.bin
38ffe9409185a073dd1e4c1e3070f1e514969e33ffc1f947bf76ee94de250c58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FC 10120 bytes
font_02_sfnt_off00009394.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9394 4324 bytes

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