Malicious PDF — malware analysis report

Static analysis result for SHA-256 220adf01dd3ff139…

MALICIOUS

PDF

38.3 KB Created: 2020-08-21 03:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c40b0f1efa53f8750fa934a06d7f405 SHA-1: f73bef7ec870f317c1b02cc26846768eaaa62a76 SHA-256: 220adf01dd3ff1391efea507f301baa2f50932cb6e21038d16e8b15c6f58adb4
120 Risk Score

Malware Insights

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

The PDF file contains a link farm pointing to numerous external PDFs, many hosted on Shopify. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=fauda+imdb+parents+guide'. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. No scripts were extracted, limiting the analysis of direct payload execution.

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.cc/pify?keyword=fauda+imdb+parents+guide
    • http://files.heldercardoso.com/uploads/1/3/1/3/131398504/datupuvutokit-xogadetezofi.pdf
    • http://files.juliemorganbooks.com/uploads/1/3/2/8/132815220/riseg-lijuf-legagujedazis-dokapagido.pdf
    • https://cdn.shopify.com/s/files/1/0430/7822/1973/files/pepalenujinurokumuxijej.pdf
    • https://cdn.shopify.com/s/files/1/0429/8552/1311/files/catarina_a_grande_robert_massie.pdf
    • https://cdn.shopify.com/s/files/1/0438/4351/8629/files/snipping_tool_shortcut.pdf
    • https://cdn.shopify.com/s/files/1/0429/4151/3894/files/59423699796.pdf
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/craftsman_radial_arm_saw_recall.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3359516262.pdf
    • https://cdn.shopify.com/s/files/1/0433/4606/7621/files/37298741316.pdf
    • https://cdn.shopify.com/s/files/1/0434/2684/0737/files/99865011706.pdf
    • https://cdn.shopify.com/s/files/1/0434/0128/1701/files/34200702421.pdf
    • https://cdn.shopify.com/s/files/1/0434/7405/9430/files/28592519691.pdf
    • https://cdn.shopify.com/s/files/1/0429/5468/6630/files/23916190116.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_off0000500c.bin
0cb3c541774fce5e60243f5ae24d36f2d06de5eec791264b122cc7f9789598ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x500C 5344 bytes
font_01_sfnt_off00006216.bin
93ba69f4cd8b4ad13d5a0e1ffd49282ef324468301a4fae2ba5115bdc5d71c6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6216 13696 bytes

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