Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd7b996b63a89d4a…

MALICIOUS

PDF

97.4 KB Authoring application: PDF Studio
MD5: 7691f3400b1a20fde8e35bf753bd3bfb SHA-1: 1286cf37d34b1a6db3e352b29b1d79eea2c1d902 SHA-256: fd7b996b63a89d4a029513d21341c6a291f98103b7979a7fc6081b711f855fa7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The document body, though heavily corrupted, contains fragments of URLs that align with the detected link farm.

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://mail19.sheng.studio/uploads/1/3/0/5/130588927/1155285.pdf
    • http://kellyschlutermanauthor.com/uploads/1/3/0/2/130270993/480613a7651fb.pdf
    • http://pathwaywebdesign.com/uploads/1/3/0/7/130739169/jitize_rekupini_vabodut_jukokewigetoga.pdf
    • http://neatfreaksllc.net/uploads/1/3/0/5/130542717/514845.pdf
    • http://thebravesboard.com/uploads/1/3/0/7/130776385/7378474.pdf
    • http://blackbeardmarketing.com/uploads/1/3/0/4/130490151/26c7f.pdf
    • http://dianehunterart.com/uploads/1/3/0/6/130639513/56be25.pdf
    • http://reciclajesocial.com/uploads/1/3/0/4/130476778/782c03845ddabf0.pdf
    • http://ngorongorocraterlodge.net/uploads/1/3/0/4/130476632/32a79c39ccc.pdf
    • http://brokerjana.com/uploads/1/3/0/7/130775365/fesora.pdf
    • http://www.coldbrewista.com/uploads/1/3/0/2/130288962/ridoluba_danojapo.pdf
    • http://latecritic.com/uploads/1/3/0/5/130589267/d900819aa055a.pdf
    • http://richmondpromise.com/uploads/1/3/0/4/130491079/8778559.pdf
    • http://levipark.co.nz/uploads/1/3/0/6/130640125/9610ff2.pdf
    • http://tohnnyandmicah.com/uploads/1/3/0/5/130588843/7831622.pdf
    • http://74-123-77-55.mgwnet.com/uploads/1/3/0/6/130639882/130639882.html#dental+implant+abutment+definition

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013cd.bin
1a29a0fe75f38213581234f8e604c82707adfc64bb9ec0ce0ba46650c9d36b4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13CD 9904 bytes
font_01_sfnt_off0001463a.bin
41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1463A 2600 bytes

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