Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bcc1684b45acb52…

MALICIOUS

PDF

81.3 KB Created: 2020-08-05 16:18:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05a6c8096f740629022801d1543f4545 SHA-1: 163a0aa1ce2222819ec612777948caac8b83b76f SHA-256: 9bcc1684b45acb52fe4a06ea637c6813d5b964ba0d1091e830fbbaef9fa08298
150 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic indicates that the document links to known malicious redirector infrastructure via the URL 'https://ttraff.com/pify?keyword=live+and+licence+agreement+format+in+marathi+pdf'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=live+and+licence+agreement+format+in+marathi+pdf
    • http://files.graysdodson.com/uploads/1/3/0/7/130738681/2531770.pdf
    • http://files.islandercars.com/uploads/1/3/1/4/131437552/7d312827.pdf
    • http://files.karolynecronin.com/uploads/1/3/2/7/132710665/7888034.pdf
    • http://files.merganzer.com/uploads/1/3/1/1/131164275/keverarubusewiw_nonufubefi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9744/7836/files/canary_tokens.pdf
    • https://cdn.shopify.com/s/files/1/0434/5492/2902/files/labosuwovujariweleg.pdf
    • https://cdn.shopify.com/s/files/1/0435/2763/5096/files/98754359659.pdf
    • https://cdn.shopify.com/s/files/1/0435/1574/0312/files/rental_agreement_sample.pdf
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/dukifuloxedexezo.pdf
    • https://cdn.shopify.com/s/files/1/0434/7609/1046/files/argirol_colirio_bula.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/medea_jean_anouilh.pdf
    • https://cdn.shopify.com/s/files/1/0429/6533/6217/files/pibud.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/gujexa.pdf
    • https://cdn.shopify.com/s/files/1/0435/7590/2363/files/dolifofejusebi.pdf
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/35675056293.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2c2.bin
4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE2C2 2828 bytes
font_01_sfnt_off0000ecbd.bin
1e90592eb0e0df2e0942fa775d9da624f04ceba76a8f89ebd4c18df2b3840412		 pdf-font-stream PDF embedded font (sfnt) at offset 0xECBD 5392 bytes
font_02_sfnt_off0000fef6.bin
0fe9d3e1a2e48b3bfcad17859b8c08d505de809c26b7ca0077c73bd7a9d11d3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEF6 10192 bytes
font_03_sfnt_off00012219.bin
c7f2b7f0ebb52c08c2a90d2bc125da5a187f63186c9f794775e624f9a0f1bfa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12219 5120 bytes

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