Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd849e8a935e19fc…

MALICIOUS

PDF

40.5 KB Created: 2020-09-20 09:46:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 825d4515bae18bec3738180742a99c6a SHA-1: 2b9b5337d9dc752ddf5cdcc3ad4b75ace216dac5 SHA-256: dd849e8a935e19fca0ec7b1f7267b339d4e057e888027429cd7e270660a72250
120 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, including a critical link to a known malicious redirector at `https://ttraff.club/wix?keyword=remo+recover+crack+keygen`. This indicates the document's primary purpose is to lure users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted from this sample.

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.club/wix?keyword=remo+recover+crack+keygen
    • http://files.vanbarfitness.com/uploads/1/3/0/8/130873804/8128251.pdf
    • http://files.fairplay-peru.org/uploads/1/3/2/3/132302824/pojax.pdf
    • https://cdn.shopify.com/s/files/1/0437/7447/6440/files/28681860047.pdf
    • https://cdn.shopify.com/s/files/1/0432/3619/6507/files/bitlife_famous_update_android.pdf
    • https://cdn.shopify.com/s/files/1/0431/4189/0208/files/dasumikixivefalaba.pdf
    • https://cdn.shopify.com/s/files/1/0428/5893/8531/files/wing_chun_kicking_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0430/3365/7495/files/mercury_outboard_owners_manual_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/6415/6575/files/basheshe_bahleka_by_donny.pdf
    • https://c5953c82-9bc5-4bb0-92a7-dac7edc0254c.filesusr.com/ugd/60e703_e39f1b09dfb14b45a97d558d9bda6e03.pdf?index=true
    • https://ee6353cc-28ae-48b4-bb05-d0390360a5ec.filesusr.com/ugd/bcb9fd_8f024df5d8f14676996dbaa2f425fd0b.pdf?index=true
    • https://6abd350f-caf0-4a34-949c-bd87942e99f0.filesusr.com/ugd/f08e01_13d71a0d85b7416cb38a6ccc4a4c3ed0.pdf?index=true
    • 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_off0000601f.bin
275a0c3de2b7040055ca331a86846c2ea782ed4674f1144e6d10489ed11e9f65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x601F 5144 bytes
font_01_sfnt_off000071a1.bin
d7b79d70af759ed164217d127e3ff4eb85e690da7c685a59131bb8b40eff5c98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71A1 10468 bytes

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