Malicious PDF — malware analysis report

Static analysis result for SHA-256 e10557c2298ce849…

MALICIOUS

PDF

45.5 KB Created: 2020-07-24 16:43:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 33be23e8a15d6ff9f29b5d86d9ae3c2a SHA-1: 7f6e06a6bda69b4620b1e94c165ec6888fde52cd SHA-256: e10557c2298ce8493c19d9c2365c4dce1cfdaa5aa60c2fafc6553ba97af6b8d0
128 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious intent, including links to a known malicious redirector and a link farm. The document body, though heavily obfuscated, suggests a lure related to 'formation agent d'escale air france gratuit'. The presence of a visual download button further supports a social engineering attack. The primary IOC is the malicious redirector URL.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=formation+agent+d%2527+escale+air+france+gratuit
    • http://files.ceciliadesigns.com/uploads/1/3/0/8/130874679/f6038c97526.pdf
    • http://files.janandrewhenderson.com/uploads/1/3/1/8/131871568/114c6236598.pdf
    • http://files.lisleband.com/uploads/1/3/1/4/131437474/8732648.pdf
    • https://cdn.shopify.com/s/files/1/0430/9513/0266/files/83434107746.pdf
    • https://cdn.shopify.com/s/files/1/0428/8151/5673/files/87555987077.pdf
    • https://cdn.shopify.com/s/files/1/0431/8982/9800/files/93089422431.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89709194360.pdf
    • https://cdn.shopify.com/s/files/1/0428/0533/0083/files/wodexixap.pdf
    • https://cdn.shopify.com/s/files/1/0430/1117/8649/files/18810258515.pdf
    • https://cdn.shopify.com/s/files/1/0434/9807/8372/files/kifekewodixizeba.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65107231385.pdf
    • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/78383645582.pdf
    • https://cdn.shopify.com/s/files/1/0435/9228/6363/files/rozezojo.pdf
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/kutopod.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mavadusuwavofemikedoj.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/
    • https://cdn.shopify.com/s/files/1/0428/0533/0083/files/wodexix

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007492.bin
78ca508acf32d6539d29c43b5144fecfba45d95714a17995f55c4c5d6befebec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7492 5212 bytes
font_01_sfnt_off00008632.bin
57daf98293a43c177558857c2c4df115aa3f6f9bb98b1f7091b984945e5a820d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8632 9996 bytes

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