Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee98a8c9c68e418f…

MALICIOUS

PDF

49.8 KB Created: 2020-07-30 21:57:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00ebdd3a0937af6354b9420d63c26689 SHA-1: d3d088b15e793e5c4db4935a61e3c2521562d9ff SHA-256: ee98a8c9c68e418fb9ed3d6210bf4bc0f85fab700b7eb8148747e26aa8a4baa5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a malicious redirector link disguised as a tool to convert web pages to PDF. It also features a link farm pointing to numerous PDFs, likely for SEO manipulation. The document's content and heuristics indicate a social engineering lure to trick users into clicking malicious links, potentially leading to further compromise.

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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=web+page+to+pdf+converter+chrome+online
    • http://files.itsawonderfullifestyle.com/uploads/1/3/2/6/132695258/rulebif.pdf
    • http://files.secondstreetshop.org/uploads/1/3/2/3/132302710/wusob.pdf
    • http://files.fastblueprints.com/uploads/1/3/0/9/130969489/tokuvel-putegoxa-wutinovuzazazaw.pdf
    • http://files.fastblueprints.com/uploads/1/3/0/9/130969489/t
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.pdf
    • https://cdn.shopify.com/s/files/1/0431/4028/4583/files/wogagebemuxaweferugog.pdf
    • https://cdn.shopify.com/s/files/1/0434/1966/4533/files/45727571763.pdf
    • https://cdn.shopify.com/s/files/1/0428/9721/1551/files/88531051388.pdf
    • https://cdn.shopify.com/s/files/1/0432/6224/7067/files/45670153479.pdf
    • https://cdn.shopify.com/s/files/1/0436/1024/3230/files/vafugokaxonefiluropolewos.pdf
    • https://cdn.shopify.com/s/files/1/0428/1915/8183/files/xadomidawuni.pdf
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/vanajekuxodenafubawo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/xerodeduvax.pdf
    • https://cdn.shopify.com/s/files/1/0434/1864/8732/files/vugunatikabusi.pdf
    • https://cdn.shopify.com/s/files/1/0434/3041/2450/files/53562382060.pdf
    • https://cdn.shopify.com/s/files/1/0428/5041/8847/files/98758428516.pdf
    • https://cdn.shopify.com/s/files/1/0431/4392/1820/files/repumigeromulizejob.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_off000083d0.bin
fa136f1bb14ffce1f760e30636e4e08b9f3696c32f0c1caa4d63a6ecf4f24cb2
pdf-font-stream PDF embedded font (sfnt) at offset 0x83D0 5392 bytes
font_01_sfnt_off000095fb.bin
a9da172c9c20013c0bcde2c4cccb5d942b6d25497f311fa93e4f0833c9509b1f
pdf-font-stream PDF embedded font (sfnt) at offset 0x95FB 10584 bytes