Malicious PDF — malware analysis report

Static analysis result for SHA-256 382f608cea51f34f…

MALICIOUS

PDF

36.9 KB Created: 2020-08-28 02:15:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5223009c32622aa2e8dd772bbd8560eb SHA-1: ed95dd7b159a8b3ee080dee5a882b8b78991b403 SHA-256: 382f608cea51f34f7703c37a666b74083352c36d1c871907b4a87b513ff371fe
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=red+hot+chili+peppers+venice+queen+lyrics, is identified as a malicious redirector. The document body itself contains the same URL, suggesting the primary intent is to redirect the user to malicious infrastructure.

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=red+hot+chili+peppers+venice+queen+lyrics
    • http://files.squiredance.net/uploads/1/3/1/3/131398260/bixivenepitivu-gojepusufoj.pdf
    • http://files.cascadiancouriers.com/uploads/1/3/2/7/132740275/kuzerapumamixifete.pdf
    • http://files.xzibitstudios.com/uploads/1/3/1/3/131379980/2056237.pdf
    • http://mimini.josephhickman.com/uploads/1/3/0/7/130775735/fofufefokeruj-bisebujusati-jararud.pdf
    • https://cdn.shopify.com/s/files/1/0439/0046/9403/files/jamodetemazomunigipo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73633131036.pdf
    • https://cdn.shopify.com/s/files/1/0433/4957/3784/files/social_networking_skills.pdf
    • https://cdn.shopify.com/s/files/1/0430/6498/3701/files/body_systems_quiz.pdf
    • https://cdn.shopify.com/s/files/1/0433/1097/3083/files/38113501313.pdf
    • https://cdn.shopify.com/s/files/1/0431/0935/1585/files/addams_family_imdb_parents_guide.pdf
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/8153574240.pdf
    • https://cdn.shopify.com/s/files/1/0433/1651/0873/files/78376493081.pdf
    • https://cdn.shopify.com/s/files/1/0432/3731/0632/files/bixodosifig.pdf
    • https://cdn.shopify.com/s/files/1/0433/0805/6740/files/fejogukolijojod.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/fepojiwufopofuva.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_off00005296.bin
4d110ad816f7b4a1927268ac77c35c615d77845cd81a298301e0ebb1770cbfc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5296 5248 bytes
font_01_sfnt_off00006475.bin
1fd0ad152a4eb1d250a459b823a25656d45d64f4c344762cde71413e72772864		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6475 9976 bytes

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