Malicious PDF — malware analysis report

Static analysis result for SHA-256 562ce288fc0606c4…

MALICIOUS

PDF

41.2 KB Created: 2020-08-23 09:24:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d2d50ad8798272afd0b6463082884d8 SHA-1: 0f153051d72ff76ed5ddaf278c6d7ba960dce44e SHA-256: 562ce288fc0606c47ea73759cab0b06e118d4144e747f7530d2791ced2f518ba
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating a phishing or scam attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly suggest malicious intent. The document body contains a call-to-action phrase, further supporting the lure to click the malicious link.

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.ru/pify?keyword=home+design+3d+gold+mod+apk
    • http://files.julianlawrence.net/uploads/1/3/0/7/130776739/4052191.pdf
    • http://files.cenutrifit.com/uploads/1/3/0/7/130776164/kiluruweburimubi.pdf
    • https://cdn.shopify.com/s/files/1/0433/1284/0872/files/pibobo.pdf
    • https://cdn.shopify.com/s/files/1/0427/6341/9814/files/sazarizexik.pdf
    • https://cdn.shopify.com/s/files/1/0462/1772/4057/files/performance_improvement_plan_template_doc.pdf
    • https://cdn.shopify.com/s/files/1/0431/2281/9233/files/1101881980.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/87374790660.pdf
    • https://cdn.shopify.com/s/files/1/0428/3265/8588/files/ni_no_kuni_strategy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/5571889703.pdf
    • https://cdn.shopify.com/s/files/1/0431/9232/0161/files/21630503238.pdf
    • https://cdn.shopify.com/s/files/1/0431/4028/4583/files/dukalazijatamudimuf.pdf
    • https://cdn.shopify.com/s/files/1/0433/4629/6982/files/ranefenevenavuxisekun.pdf
    • https://cdn.shopify.com/s/files/1/0436/8983/6697/files/zefuzi.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_off00006116.bin
fa35a9f5d15a996a67b6413d95e238f8e7d176ee036cea6639aedd40cbd8fbbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6116 5372 bytes
font_01_sfnt_off0000734e.bin
29741b6a27736350c5be49511f4679cde10ebcd49fe743178385dda6bb0b4a7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x734E 10788 bytes

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