Malicious PDF — malware analysis report

Static analysis result for SHA-256 c118d40d6033c42a…

MALICIOUS

PDF

59.4 KB Created: 2020-08-12 17:35:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: af9f95515a90a73124033018e0d04dc7 SHA-1: 5d710fa488d785ff269378bbfdc550de5ea3edf2 SHA-256: c118d40d6033c42ac7d0b57ca188122fceb7ab080d5b49f1f8c1500033d5c989
140 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that leads to a link farm. The document body, though heavily obfuscated, contains text related to 'Dreamweaver cs6 tutorial for beginners pdf' and the malicious URL 'https://ttraff.cc/pify?keyword=dreamweaver+cs6+tutorial+for+beginners+pdf'. This suggests a lure to trick users into downloading further malicious content or visiting compromised sites.

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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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=dreamweaver+cs6+tutorial+for+beginners+pdf
    • http://files.jenwilliamsedu.com/uploads/1/3/0/7/130738924/nagotajuwe.pdf
    • http://karusawe.jessicaleemanton.com/uploads/1/3/0/7/130776340/lozin.pdf
    • http://files.brighterhorizonsbrighton.com/uploads/1/3/1/8/131871909/4e684bef8f.pdf
    • https://cdn.shopify.com/s/files/1/0429/7195/5351/files/panexojotomiwidozetig.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/41597305638.pdf
    • https://cdn.shopify.com/s/files/1/0433/6379/5094/files/atos_administrativos_alfacon.pdf
    • https://cdn.shopify.com/s/files/1/0428/6434/5255/files/ninetewa.pdf
    • https://cdn.shopify.com/s/files/1/0440/5110/3894/files/19319409820.pdf
    • https://cdn.shopify.com/s/files/1/0437/2358/7736/files/39165004918.pdf
    • https://cdn.shopify.com/s/files/1/0433/7103/6835/files/jagewufuga.pdf
    • https://cdn.shopify.com/s/files/1/0429/6874/4087/files/29973298062.pdf
    • https://cdn.shopify.com/s/files/1/0433/9020/6117/files/56811530478.pdf
    • https://cdn.shopify.com/s/files/1/0439/1868/8424/files/12737066164.pdf
    • https://cdn.shopify.com/s/files/1/0433/5340/7646/files/33899989632.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44240048578.pdf
    • https://cdn.shopify.com/s/files/1/0430/2045/1997/files/nojam.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_off00009ae4.bin
af03aa9af9b80dd02dea7213c6c8150c9f3ce0dab20bf9bc9c23f4b375f16131		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AE4 5920 bytes
font_01_sfnt_off0000af03.bin
0f40ca71d17d7a8d0aae1c96e0119963b2d4a22cd7095a6e2999e8fbdb57c256		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF03 15440 bytes

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