Malicious PDF — malware analysis report

Static analysis result for SHA-256 d02dc14cc4f2cae7…

MALICIOUS

PDF

42.0 KB Created: 2020-08-20 14:05:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff87de0f719d8bd98a5041c9d9b6e943 SHA-1: 8e26515c40ed0889f8675ea3c27787d90ccd10d3 SHA-256: d02dc14cc4f2cae7f3a659c7a589aa1551bee095d0ed3dabbd3f0de9ba39bf7c
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=animal+crossing+pocket+camp++free'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for phishing or malware distribution. The presence of numerous other links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious destination. No scripts were extracted, and the document body is heavily obfuscated, but the malicious redirector is a clear indicator of malicious intent.

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=animal+crossing+pocket+camp++free
    • http://files.verarey.com/uploads/1/3/1/4/131406582/091a98a45e.pdf
    • http://vanokeni.dandelionkisscustomphotojewelry.com/uploads/1/3/1/3/131383744/vujegekubofojer.pdf
    • https://cdn.shopify.com/s/files/1/0432/1250/5252/files/41015418644.pdf
    • https://cdn.shopify.com/s/files/1/0435/3287/7975/files/50296788959.pdf
    • https://cdn.shopify.com/s/files/1/0446/6769/9353/files/kureze.pdf
    • https://cdn.shopify.com/s/files/1/0436/3694/9152/files/95894336266.pdf
    • https://cdn.shopify.com/s/files/1/0430/5282/6773/files/pofifidivexamabasidafi.pdf
    • https://cdn.shopify.com/s/files/1/0434/2172/8919/files/tutolokigurixixoletoza.pdf
    • https://cdn.shopify.com/s/files/1/0433/4062/8133/files/bls_for_healthcare_providers_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/0877/0726/files/77685751177.pdf
    • https://cdn.shopify.com/s/files/1/0430/0200/3615/files/puragoli.pdf
    • https://cdn.shopify.com/s/files/1/0430/1121/1425/files/85804634464.pdf
    • https://cdn.shopify.com/s/files/1/0432/9478/5694/files/14077722068.pdf
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/string_array_to_int_array.pdf
    • https://cdn.shopify.com/s/files/1/0436/8252/9445/files/luxiwufa.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_off000064a5.bin
9708c07a2c273038054daadeebebb224b17a6d83a6a489e28ef959d0b7cef870		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64A5 5388 bytes
font_01_sfnt_off000076d8.bin
6813dc387814d85884f1f3b6f0fea764490e39e0396dd8d1ddf2516ffab49acf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76D8 10628 bytes

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