Malicious PDF — malware analysis report

Static analysis result for SHA-256 4567a5932f313881…

MALICIOUS

PDF

44.9 KB Authoring application: Solid Converter PDF
MD5: 4a6a5e14aa944039944e64d26b4fa049 SHA-1: 88b090794f52eb03132169756315b98908919aa6 SHA-256: 4567a5932f3138818dcf70a3a2f2971fdc35447282a9876b38ea15fb82c05abf
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique commonly used for SEO poisoning or phishing lures. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body contains garbled text and references to academic topics, likely as a disguise for the malicious links.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://amsterdamtours.vip/uploads/1/3/0/8/130814342/8646704.pdf
    • http://robertdickstudionyc.com/uploads/1/3/0/6/130621874/1639452.pdf
    • http://cristofori.online/uploads/1/3/0/5/130551639/welarelufugopepuso.pdf
    • http://windsorplaceepsom.com/uploads/1/3/0/4/130476310/6547749.pdf
    • http://jacquipriestleyartist.com/uploads/1/3/0/2/130272585/2548980.pdf
    • http://genuinefenderparts.com/uploads/1/3/0/8/130814673/2181520.pdf
    • http://arapaho-massage.com/uploads/1/3/0/2/130288412/5358696.pdf
    • http://chocny.com/uploads/1/3/0/5/130543569/fasox.pdf
    • http://midnightslimes.com/uploads/1/3/0/5/130588700/diwokesotuxub-zizuwesiva-solofumikuruz-resesu.pdf
    • http://mrmacbiblebook2.com/uploads/1/3/0/6/130639603/130639603.html#crosslinguistic+views+on+tense+aspect+and+modality

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000127a.bin
05be1452ad53215ca180d020aa77e60e94e36215eb3e87881607b9a884b14368
pdf-font-stream PDF embedded font (sfnt) at offset 0x127A 9180 bytes
font_01_sfnt_off0000604e.bin
83d89f79375f7f339e88070a8779324ce221c94923bff415e388e162fbc46cfe
pdf-font-stream PDF embedded font (sfnt) at offset 0x604E 2604 bytes
font_02_sfnt_off000068f6.bin
76e44dfee478f11c655c116c5b5af83c5e2ad3cf2e5ee107ed91d0d3c2cdacb3
pdf-font-stream PDF embedded font (sfnt) at offset 0x68F6 16040 bytes