Malicious PDF — malware analysis report

Static analysis result for SHA-256 3387c9949137edc8…

MALICIOUS

PDF

345.7 KB Created: 2015-08-29 12:14:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: f040634fb2017a1aaaef35cc3e34aeae SHA-1: 58f857ce960c2de69eaf1d27b1f33a6fe99d27b2 SHA-256: 3387c9949137edc813f6bd5eba6e782830b164e350549ab56ef155b825f3ee85
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. While no scripts were directly extracted, the PDF structure and the malicious URL strongly suggest a phishing or redirection attempt. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

Heuristics 2

  • 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.
  • 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 http://botcraftman.ru/?lip&keyword=%D0%B8%D0%B3%D1%80%D1%8B+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+147&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830683_markiz__de__sad_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831309_skachat__igruy__na_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829923_cp2102__usb__to_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051ffa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51FFA 9576 bytes
SHA-256: 810504b03e90de5e76462b3f095a80d83f43dc83fe11ad06e13eb21b53ffd1c9
font_01_sfnt_off00053a77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53A77 14816 bytes
SHA-256: 34770a84d2b2544cc7e91ac750d58dd4a06e5631d5f7383d20695d5ed29e604b