Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fa08ebb9cf0f797…

MALICIOUS

PDF

36.4 KB Authoring application: ImageMagick
MD5: 73c99531c0e5725b3451a448fd0c2ef3 SHA-1: eea054a9f2d597279f58a0aa45e3953dfc6f935f SHA-256: 8fa08ebb9cf0f797d87241ec8f92161c1c0f9862d241da9aef8739adc877bcc5
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or malware distribution campaign, as suggested by the ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body, despite being heavily obfuscated, contains references to 'Ableton 10 manual download', likely a lure to entice users to click on the malicious links. The primary goal appears to be directing users to download further malicious content hosted on the numerous external domains.

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://ninosristorantepizzeria.com/uploads/1/3/0/8/130813796/26c54740.pdf
    • http://tjscatering44.com/uploads/1/3/0/3/130323600/jufix.pdf
    • http://oceansouls.com/uploads/1/3/0/5/130588865/8435482.pdf
    • http://sanjosedelosreynoso.com/uploads/1/3/0/6/130604938/645f4d.pdf
    • http://cqsbrecit.ca/uploads/1/3/0/4/130436318/ef76b7299e368d.pdf
    • http://nataliegracewagner.com/uploads/1/3/0/6/130605405/1707094.pdf
    • http://sweetwaternetworks.com/uploads/1/3/0/4/130488934/1152864.pdf
    • http://oddlyspecificshirts.com/uploads/1/3/0/6/130640031/2683551.pdf
    • http://elvi.site/uploads/1/3/0/6/130620607/govalajekakig_fenozo_mosidugixi.pdf
    • http://adielgrace.com/uploads/1/3/0/2/130291785/9918106.pdf
    • http://phantomofthepasta.com/uploads/1/3/0/3/130313320/d0b69271a5a.pdf
    • http://ladytchotchke.com/uploads/1/3/0/7/130740342/dumidigozexeveridopa.pdf
    • http://danoboots.com/uploads/1/3/0/5/130542775/jamipok_runokifolukan_wolala.pdf
    • http://vps7-internal-admins.pleasingfood.com/uploads/1/3/0/3/130323596/130323596.html#ableton+10+manual+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000375c.bin
640ebde1ff8e7a71b125c11570cd6d5a783bf8d655e943fb4ef525737943067b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x375C 7284 bytes

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