Malicious PDF — malware analysis report

Static analysis result for SHA-256 27a0956420516434…

MALICIOUS

PDF

60.9 KB Authoring application: Smallpdf Desktop
MD5: 51156b55b61112a9e3c38c8001c4c1c4 SHA-1: 0e834bc92eaacfa58c09d886f23319c06a4fb8b8 SHA-256: 27a09564205164342fd533088dfc8620c79c48bc717b1ecf84ebbbd2e5704e45
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 external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further suggests a phishing or traffic redirection intent. The document body, though heavily obfuscated, also contains numerous URLs pointing to external PDF files, reinforcing the link farm attack pattern. No scripts were extracted, limiting the analysis to the document structure and embedded URLs.

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://rahulsane.com/uploads/1/3/0/6/130604581/3fb0718d.pdf
    • http://vyhrajto.com/uploads/2020/01/28/2212831.pdf
    • https://sesivipugojube.weebly.com/uploads/1/3/0/5/130539758/2a4f5f.pdf
    • http://marnimigrealtor.com/uploads/1/3/0/4/130483565/d20dbbfcfde.pdf
    • http://stephan-orth.net/uploads/1/3/0/6/130621603/jetil_kerupibe.pdf
    • http://firmaevent.net/uploads/1/3/0/2/130287513/d5dd54cf.pdf
    • http://nuzuv.toschevikova.com/uploads/2020/01/28/ad3b387cf3.pdf
    • http://thebookthateveryoneshouldhave.com/uploads/1/3/0/3/130313140/nejugubamaluba.pdf
    • http://negovanar.paypal-support-limitted.com/uploads/2020/01/28/ravezoxi-vomijos-nejixoziwupuk.pdf
    • http://zamidoli.uykraken.com/uploads/2020/01/27/kokeler.pdf
    • http://ssh2019.info/uploads/1/3/0/3/130313378/nopepe-tikudo-susori-govakis.pdf
    • http://my-medicare-insurance.com/uploads/1/3/0/6/130621506/merufizavamofer-wiwoveroden.pdf
    • http://notaorg.ru/uploads/2020/01/28/jixufilux.pdf
    • http://northenddeli.com/uploads/1/3/0/5/130547884/nerirote-bisavite-fufikuresetuj-bekodiw.pdf
    • http://120lakeshoredrive.com/uploads/1/3/0/2/130272083/8067077.pdf
    • http://nationalriskmanagementgroup.com/uploads/1/3/0/6/130620314/130620314.html#aila+aila+song+lyrics+in+tamil

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001470.bin
a8100cea6de81602bf5d3f5fbbcf7ff7a159efc15f47e35c812b25432cfef2c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1470 7816 bytes
font_01_sfnt_off00008365.bin
0b70ea5e480658c4b273adb7f3bd4de0860f076cdfa9dc025669dc2782cbf622		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8365 22460 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.