Malicious PDF — malware analysis report

Static analysis result for SHA-256 bee0ef29b64fc52a…

MALICIOUS

PDF

47.3 KB Created: 2020-08-28 00:54:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a7b00bd70928ef141a929241d008d5e9 SHA-1: 6d2e373bb8373963a4a59dcbc1d1c918a1b02312 SHA-256: bee0ef29b64fc52ae8d8820c326b0cfa80357e0d678e337f5aa1dba036b94dee
150 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the same as the malicious redirector. This suggests the document's primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.

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.cc/pify?keyword=goutte+%25C3%25A0+goutte+fait+maison
    • http://files.vikkaszone.com/uploads/1/3/2/6/132682471/753471.pdf
    • http://nurizij.bigrsldp-ph.org/uploads/1/3/1/4/131437535/vigasedegularap-xamudolofifu-sojub-xewudesu.pdf
    • https://cdn.shopify.com/s/files/1/0459/9562/2559/files/manejo_absceso_periamigdalino.pdf
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/eclipse_shortcuts_java.pdf
    • https://cdn.shopify.com/s/files/1/0433/2286/7880/files/fivizana.pdf
    • https://cdn.shopify.com/s/files/1/0433/4125/0714/files/yvert_et_tellier.pdf
    • https://cdn.shopify.com/s/files/1/0430/6193/6285/files/87882789939.pdf
    • https://cdn.shopify.com/s/files/1/0429/2991/4012/files/xufunogiwafew.pdf
    • https://cdn.shopify.com/s/files/1/0463/6829/3019/files/cours_et_exercices_corrigs_de_combu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4256/1433/files/record_of_employment_forms_ontario.pdf
    • https://cdn.shopify.com/s/files/1/0436/6041/1033/files/64418883608.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068d4.bin
8cc3e73cc41a6572527ccb8dfe10b4c473fd9297e3d405da260ea8461a4a1c73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68D4 5104 bytes
font_01_sfnt_off0000799d.bin
a78d0b426bd487939db025567dc12060aa188692ab4fe5acf2bcacdca901974c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x799D 12388 bytes
font_02_sfnt_off0000a033.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA033 4324 bytes

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