Malicious PDF — malware analysis report

Static analysis result for SHA-256 29ccdb65ce6ccb4a…

MALICIOUS

PDF

40.0 KB Created: 2020-08-23 10:39:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0e67aea15dd10282b01116c114d90fd4 SHA-1: 3424419c888af640803bdc06cbb38f3dbe1bf72b SHA-256: 29ccdb65ce6ccb4abb9288e6bfc5b5e39f31ed68e7d9af6b59758b39a38626af
140 Risk Score

Malware Insights

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

The PDF document uses a cloud document lure to trick users into clicking a link. This link, 'https://ttraff.cc/pify?keyword=google+chrome+os+pdf+free', redirects to malicious infrastructure, indicating a phishing or malware distribution attempt. The presence of numerous external PDF links further supports the malicious intent, 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.
  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • 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=google+chrome+os+pdf+free
    • http://files.honingtonandsapiston.com/uploads/1/3/1/4/131453068/zuzupe-jirixize-nelotozigetoros-xavaliniv.pdf
    • http://files.woolandmen.com/uploads/1/3/0/8/130814234/f54f24ab2d2.pdf
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/62301319627.pdf
    • https://cdn.shopify.com/s/files/1/0431/5385/0528/files/fuwuzevanugavofiw.pdf
    • https://cdn.shopify.com/s/files/1/0435/8494/6333/files/duvimalerokaj.pdf
    • https://cdn.shopify.com/s/files/1/0435/4641/1162/files/hinge_jig_template.pdf
    • https://cdn.shopify.com/s/files/1/0437/7952/2714/files/26454042297.pdf
    • https://cdn.shopify.com/s/files/1/0431/8704/4510/files/wolejofazofunizo.pdf
    • https://cdn.shopify.com/s/files/1/0430/0845/8905/files/2294827794.pdf
    • https://cdn.shopify.com/s/files/1/0433/7028/3173/files/save_web_page_to_iphone.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_off00005ed0.bin
1ce427277f9c85a4c739057311b0364f54e3f3028b14ab381d7b2c446e5d7fac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED0 5392 bytes
font_01_sfnt_off0000710d.bin
3d7929d65801980c01127c0f55ba6b4a9e82c2663cccaa904418d811cfb7eef8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x710D 10168 bytes

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