Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc4bde4c8f8a2dcd…

MALICIOUS

PDF

38.6 KB Created: 2020-08-01 18:18:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45739dd0fbcb1e135a66cc112fed0a22 SHA-1: d789464221d29ca592d54014640c0765cb9b5d7a SHA-256: cc4bde4c8f8a2dcd88539c2097617ac20786093b0d8aea67df3bf43f36efcec0
128 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript and multiple links, one of which, 'https://ttraff.cc/pify?keyword=watch+suicide+squad+online+free+vodlocker', is identified as a malicious redirector. The document body also contains this URL, suggesting a lure to trick users into clicking it. The presence of a link farm further indicates a malicious intent to distribute links, likely for phishing or malware distribution. No specific family is identified due to the lack of executable code or distinct patterns.

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.cc/pify?keyword=watch+suicide+squad+online+free+vodlocker
    • http://files.calibison.com/uploads/1/3/1/4/131437775/4718744.pdf
    • http://files.stmarymagdalenewpg.org/uploads/1/3/1/8/131856531/badifa.pdf
    • http://files.5acrefarmsar.com/uploads/1/3/1/8/131857152/8842722.pdf
    • http://files.crosscreationsphotography.com/uploads/1/3/1/3/131384136/jivar.pdf
    • https://cdn.shopify.com/s/files/1/0430/8389/0850/files/64158246198.pdf
    • https://cdn.shopify.com/s/files/1/0431/8468/5224/files/64288700617.pdf
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/42009185260.pdf
    • https://cdn.shopify.com/s/files/1/0432/2597/2904/files/lanibafowitodipumejogabi.pdf
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/62483222248.pdf
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/43425856762.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/rheem_furnaces_trouble_shooting.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdf
    • https://cdn.shopify.com/s/files/1/0437/3748/1365/files/8300771117.pdf
    • https://cdn.shopify.com/s/files/1/0433/9482/6396/files/loweto.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_off000058b2.bin
1c235fd4c5c3d1cecd2517cfe3abdb5d280d53c3cb1421d6bcd882a91e42867e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58B2 5372 bytes
font_01_sfnt_off00006b01.bin
10d63468b4ca54468838eb73ebc6ffa7a24d3b88e79beb7108fea475bb51f215		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B01 10092 bytes

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