Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a58227629f23b2a…

MALICIOUS

PDF

40.1 KB Created: 2020-08-23 12:43:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 76fcb1db90f0a373b6f40e36ff252c71 SHA-1: 1346d4cf8382d48966882796dba5c5a9de35c65e SHA-256: 1a58227629f23b2a8546ef4b996a0b9b319f042e3d1897eff9dd6cef7d31ffa0
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com' with a lure related to 'British Airways pilot uniform'. This indicates a phishing attempt designed to redirect users to malicious content. The document also contains a PDF link farm heuristic, suggesting it's part of a larger SEO poisoning or link farm operation. 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.com/pify?keyword=british+airways+pilot+uniform
    • http://files.photoelectricsynergy.com/uploads/1/3/2/6/132682882/efeae5e6048.pdf
    • http://jolula.alliesofnature.co.uk/uploads/1/3/2/3/132303382/54ee1.pdf
    • https://cdn.shopify.com/s/files/1/0437/9181/0717/files/98983816176.pdf
    • https://cdn.shopify.com/s/files/1/0431/0410/8711/files/78051108849.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16994954809.pdf
    • https://cdn.shopify.com/s/files/1/0435/6535/1073/files/86187674785.pdf
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/assassination_classroom_live_action_movie_free.pdf
    • https://cdn.shopify.com/s/files/1/0439/8333/9678/files/cisco_vpn_android_app.pdf
    • https://cdn.shopify.com/s/files/1/0434/7920/3992/files/chegg_solutions_manual_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/9671/0050/files/vazerirupumilomeragonos.pdf
    • https://cdn.shopify.com/s/files/1/0430/9277/0977/files/32647330125.pdf
    • https://cdn.shopify.com/s/files/1/0450/1933/2766/files/garuwunopogaganegukexulu.pdf
    • https://cdn.shopify.com/s/files/1/0434/5105/6285/files/99217946021.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/sofowadi.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_off00005deb.bin
d275776f9480d2369697d795ec5851dcdd7a970c2dd74d55ffaf57f89ce837c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DEB 5384 bytes
font_01_sfnt_off0000702a.bin
37a978de2ac5ea278473662aec1bb1768cda5c300628ed84bb4bd83e01867b9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x702A 10476 bytes

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