Malicious PDF — malware analysis report

Static analysis result for SHA-256 28f06cde7e97e486…

MALICIOUS

PDF

46.0 KB Created: 2020-07-31 21:35:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2baafc9b29887c6473f17a8333493010 SHA-1: f456c90fc978bff157e7f28cd108ef072009600d SHA-256: 28f06cde7e97e486f2034d59b15bf2cba41e216a6448f2b4a60be882acd98032
130 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=turbo+fire+nutrition+guide+pdf, suggesting a lure to disguise malicious redirection. The presence of multiple PDF links and a redirector indicates 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.ru/pify?keyword=turbo+fire+nutrition+guide+pdf
    • http://files.maocorrea.com/uploads/1/3/1/1/131163976/fonixolumegosu.pdf
    • http://files.treeoflifetroupe.org/uploads/1/3/1/6/131637723/donirimiwiti.pdf
    • http://files.asantecreatives.com/uploads/1/3/0/7/130775498/97b67d69eb78e40.pdf
    • http://files.savethebear.org/uploads/1/3/0/9/130969580/guvuxaxopefax.pdf
    • http://files.propello-coaching.com/uploads/1/3/1/3/131380871/xogitoxumub_zimezexuwil_xeximefeforuro_kuzuvesemip.pdf
    • https://cdn.shopify.com/s/files/1/0429/1421/8143/files/numinekewudodoweda.pdf
    • https://cdn.shopify.com/s/files/1/0430/9758/7861/files/segodewudubazexo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdf
    • https://cdn.shopify.com/s/files/1/0435/3117/4039/files/50626250839.pdf
    • https://cdn.shopify.com/s/files/1/0429/3849/9235/files/nubenibotuluruzadevom.pdf
    • https://cdn.shopify.com/s/files/1/0431/8268/6367/files/82127606473.pdf
    • https://cdn.shopify.com/s/files/1/0431/7439/6058/files/nekadinurijemojifotex.pdf
    • https://cdn.shopify.com/s/files/1/0430/2651/4077/files/57244732901.pdf
    • https://cdn.shopify.com/s/files/1/0431/4431/5029/files/basizaparenezonub.pdf
    • https://cdn.shopify.com/s/files/1/0432/8023/6702/files/99879493695.pdf
    • https://cdn.shopify.com/s/files/1/0431/6564/7002/files/44250265471.pdf
    • https://cdn.shopify.com/s/files/1/0432/6647/4139/files/18597195534.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muzaloxebomasu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006869.bin
2d87e718a649bbc75d55e7293cb9302a3659c894f91dcb50d3af61b506de32d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6869 4760 bytes
font_01_sfnt_off000078a1.bin
8913b45964d0d7aff23f5613097f809aeb3757e0cc946b9e93bc7abc22b6c39b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78A1 10560 bytes
font_02_sfnt_off00009cb7.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CB7 4324 bytes

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