Malicious PDF — malware analysis report

Static analysis result for SHA-256 76be6f7f514da5eb…

MALICIOUS

PDF

52.8 KB Authoring application: Solid Converter PDF
MD5: 29f0f941bae0a45dbf2ad91559891cf3 SHA-1: 57671ce6b11ea6880bac41c76cf1efc6178ecfd8 SHA-256: 76be6f7f514da5eb8cfc886a8d0aae760fd47cb197c73f2609f9d8a8dd8bd106
130 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which point to other PDF files, a common technique for SEO poisoning or distributing malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious download context. The document body includes phrases like 'Click here to download' and embedded URLs, reinforcing the lure to download additional files.

Heuristics 4

  • 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
  • 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 http://belfastdrivered.com/uploads/1/3/0/5/130543878/2f73ec077.pdf
    • http://mybiohelp.com/uploads/1/3/0/6/130639635/3f006.pdf
    • http://procon-loe.ru/uploads/1/3/0/6/130620669/991811.pdf
    • http://prologismidline.com/uploads/1/3/0/6/130639978/dinixazurijubol.pdf
    • http://neokundalini.org/uploads/1/3/0/4/130435601/130435601.html#rapidex+english+hindi+speaking+course+pdf
    • http://rapidexenglishspeakingcourse.blogspot.com/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001016.bin
a4195b352e3157500a1440cd309ffcea681933ca0a83da5ac3547edc78471c86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1016 7860 bytes
font_01_sfnt_off0000638a.bin
f274d02d927d5380ed41befcc1a81c79f8dfb0f498aa9bea16a4be5b84f2995c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x638A 14552 bytes
font_02_sfnt_off000088db.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88DB 16036 bytes

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