Malicious PDF — malware analysis report

Static analysis result for SHA-256 56dafe876faad976…

MALICIOUS

PDF

72.0 KB Created: 2020-08-13 00:08:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 560336f0daa4542adbcd483d82944691 SHA-1: e2b7faad1d0f562543de71a15bcf7e524b099bc1 SHA-256: 56dafe876faad976618994356598006334965b91d8caf02a9dc25e65d48c96d5
128 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains a call-to-action phrase, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous links, likely for SEO manipulation or to host further malicious content.

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/pify?keyword=inorganic+chemicals+list+pdf
    • http://sonun.audreylewisinteriors.com/uploads/1/3/1/0/131070420/subukomat.pdf
    • http://gawal.beautyatthecroft.com/uploads/1/3/1/8/131872225/xigel.pdf
    • http://files.maryscheesecakes.com/uploads/1/3/1/3/131398457/bukun.pdf
    • http://files.zacharyhoh.com/uploads/1/3/0/8/130873914/524900.pdf
    • https://cdn.shopify.com/s/files/1/0437/4046/3255/files/cutting_edge_elementary_workbook_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/8113/7316/files/hallelujah_square_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/2553/8970/files/93253034261.pdf
    • https://cdn.shopify.com/s/files/1/0437/8437/2386/files/sample_variance_calculator.pdf
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/perelenunewapufu.pdf
    • https://cdn.shopify.com/s/files/1/0430/7173/3917/files/nuxogekinupexov.pdf
    • https://cdn.shopify.com/s/files/1/0432/0280/5921/files/wifuzasebevudoniwurajime.pdf
    • https://cdn.shopify.com/s/files/1/0433/7513/2821/files/64205338457.pdf
    • https://cdn.shopify.com/s/files/1/0427/9785/8972/files/9302435616.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46605756913.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_off0000d2ce.bin
fb20c82957f44cebc8a0b1c12bf8781804e81b2b123bd76c16dd3c3251c71e76		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD2CE 5504 bytes
font_01_sfnt_off0000e552.bin
6bea01b1673b757e40467c573cb50dc47ccc0f94d5671bb9d933a776943466f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE552 13540 bytes

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