Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a54febcb69fc698…

MALICIOUS

PDF

38.3 KB Created: 2020-08-21 11:16:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d3779571d4a10b8eb6bb4dd43777dd92 SHA-1: e7ac7432b8fcb66aeea70d9df477900101ddd914 SHA-256: 2a54febcb69fc6987f1923ca11affd0211e7b73a3ff1fc640fe14f7315ff6a9a
128 Risk Score

Malware Insights

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

The PDF contains a critical heuristic indicating it links to known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=canon+pixma+ip100+driver+free`. Additionally, it features a PDF link farm with 18 external links, many hosted on `cdn.shopify.com`, suggesting an attempt to obscure the final malicious destination. The document body, though garbled, contains text related to 'Canon pixma ip100 driver free', aligning with a lure to download potentially unwanted software. No scripts were extracted, but the presence of a malicious redirector and link farm strongly suggests a phishing or malware distribution attempt.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=canon+pixma+ip100+driver+free
    • http://files.adamrehberg.com/uploads/1/3/1/3/131381363/7871232.pdf
    • https://cdn.shopify.com/s/files/1/0428/3603/3695/files/turn_off_fast_boot_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0436/1243/8685/files/pavogile.pdf
    • https://cdn.shopify.com/s/files/1/0441/0081/2952/files/2351733805.pdf
    • https://cdn.shopify.com/s/files/1/0431/1806/7866/files/vewigoji.pdf
    • https://cdn.shopify.com/s/files/1/0433/9721/8467/files/boondocks_theme_song_flute_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3581/files/pivurezoperene.pdf
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/3894959702.pdf
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/vosanefibarazilus.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_off000056ca.bin
203212040c833fb91c0f16c469e0f959d53c147e693d6c6eb3ba55d13e60e0bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56CA 5204 bytes
font_01_sfnt_off00006870.bin
09daf0ee9690309ded302cacb55df4c50eb2766d2da29c0bf665ff0ca27b1217		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6870 10696 bytes

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