Malicious PDF — malware analysis report

Static analysis result for SHA-256 a55733f5891330db…

MALICIOUS

PDF

39.8 KB Authoring application: PDF Studio
MD5: 605c8f9c87aec9a030e04bec68f827b7 SHA-1: 3662d584121f346b68706ffb0eedbd53eef016e2 SHA-256: a55733f5891330dbbecb062f82ecf6979771475d9195cefa08fdcc02150bd9c7
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://bentonsda.com/uploads/1/3/0/6/130605338/xobujezenonumim.pdf
    • http://sweetalfas.com/uploads/1/3/0/7/130738555/bf92ce24adf.pdf
    • http://hostmaster.therapyinthecity.co.uk/uploads/1/3/0/6/130639309/8d93373.pdf
    • http://blog.rightjoin.com/uploads/1/3/0/3/130313333/gudodorujijasepu.pdf
    • http://martinsgoldens.com/uploads/1/3/0/5/130550854/6fb8e63258.pdf
    • http://frisco-auto-detailing.com/uploads/1/3/0/2/130289587/kamimumisim-xoxupulibewo.pdf
    • http://touchofsouthernjewerlytreasures.com/uploads/1/3/0/6/130621486/kituluzuwisofel.pdf
    • http://sentinel.ai/uploads/1/3/0/7/130775645/9151366.pdf
    • http://areastrategy.com/uploads/1/3/0/3/130323315/3198510.pdf
    • http://nathanrpt.com/uploads/1/3/0/3/130379371/ac4788025ce4ce8.pdf
    • http://myajtraining.com/uploads/1/3/0/8/130813403/6177.pdf
    • http://www.destined4joy.rpjandco.com/uploads/1/3/0/5/130550832/42bbbde037ed66.pdf
    • http://clarinetrepairs.org/uploads/1/3/0/4/130477048/9628051.pdf
    • http://princess-crown.lucky1st.com/uploads/1/3/0/4/130476440/130476440.html#faa+icao+flight+plan+codes

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000409e.bin
69ac7f090f20051f5c6c1035ff41e862a716ed6768ac5345a4f03e46499d4e23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x409E 8800 bytes

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