Malicious PDF — malware analysis report

Static analysis result for SHA-256 2300589ed0adda26…

MALICIOUS

PDF

108.0 KB Authoring application: Solid Converter PDF
MD5: fa58cc1d651b73db7554873ce9eecc6e SHA-1: 8c7c18401e4cac200a323e001053d27309c36ee3 SHA-256: 2300589ed0adda260bd77fcbf7ff354d9ef16441ea830c80fa2f8f8aeeadd19a
128 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF documents. The SE_DOWNLOAD_BUTTON heuristic indicates a visual lure, suggesting the document is designed to trick users into clicking these links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious download intent. No scripts were extracted from this sample.

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://milton-trails.com/uploads/1/3/0/6/130639905/542700.pdf
    • http://nationalassetretrievalservices.com/uploads/1/3/0/6/130604949/5130684.pdf
    • http://pobodiki.raphaacupuncture.com/uploads/2020/01/28/nudaxilukebokubej.pdf
    • http://the3tents.org/uploads/1/3/0/2/130287367/addd4f.pdf
    • http://krishnaandnatansh.com/uploads/1/3/0/6/130604694/wuvoguporepi-parudakuk-rukamaxofazul-tavoxezonijafo.pdf
    • http://ndtasanantonio.org/uploads/1/3/0/6/130620367/130620367.html#chinese+scooters+haynes+manual+downl

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000ea56.bin
ec347c04dff91332157c5a2b3ad7d8897685171944cc534b672a46e1a3ba4223		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xEA56 4828 bytes
font_00_sfnt_off00001314.bin
80b1c1911809ab284ce80173f573f2667f97d37285937caf144d0114ad723ee1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1314 11532 bytes

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