Malicious PDF — malware analysis report

Static analysis result for SHA-256 e558b040c62788a0…

MALICIOUS

PDF

49.3 KB Authoring application: PDFedit
MD5: 5095961eed62c46afa64690d144d31d6 SHA-1: 9260740f5d70224267e511e6516d7172d3da1059 SHA-256: e558b040c62788a09d08cf32027ae89cbc4d1899405a508f674fd7b5bcc98a2d
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, indicating a link farm or redirection mechanism. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic-generating intent. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, likely designed to direct users to malicious content.

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://designeveryday.net/uploads/1/3/0/7/130740117/mujifumulekejipi.pdf
    • http://nimatennis.com.au/uploads/1/3/0/6/130621024/veziruxisaw.pdf
    • http://qayl.club/uploads/2020/01/28/2188268.pdf
    • http://pilatesandyogawithsharon.com/uploads/1/3/0/3/130324385/f80f1a4.pdf
    • http://lytness.com/uploads/1/3/0/6/130639093/5d932b7ff0c0d9.pdf
    • http://swaynami.com/uploads/1/3/0/3/130312953/6457270.pdf
    • http://nuohotel-zh.devsite-1.com/uploads/1/3/0/7/130739549/130739549.html#online+tv+website+templates+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010ee.bin
f0affff4fda3884a93d807d6968d61bb094ae843e2c0f5276cf103d752bab0f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10EE 8852 bytes

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