Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc2ff1146290615f…

MALICIOUS

PDF

34.5 KB Authoring application: QPDF
MD5: 72a3771356b63d434ac8f5dbccb52d16 SHA-1: 41e4cb57cf6c14ca7c14e235881e2ea06493188b SHA-256: bc2ff1146290615f5eb5540104628317746f7de1adf0a8f9da2870d1e41dd344
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on different domains, suggesting a campaign to manipulate search engine results or distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of this file, likely related to phishing or traffic redirection.

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://imagesofsilence.com/uploads/1/3/0/6/130604630/7836485.pdf
    • http://empiricalphilanthropy.com.au/uploads/1/3/0/5/130550953/2226833.pdf
    • http://innovarauco.com/uploads/1/3/0/5/130548070/gesegosewovup.pdf
    • http://bslartquilts.com/uploads/1/3/0/2/130272348/9255474.pdf
    • http://mta-sts.smtp.goughs.com/uploads/1/3/0/4/130483329/8761329.pdf
    • http://justicecollaborativeatcornell.com/uploads/1/3/0/5/130588494/vakazejotamizon.pdf
    • http://citizenhashtag.com/uploads/1/3/0/5/130588984/3914937.pdf
    • http://reset.studio/uploads/1/3/0/2/130288444/bixalamozatutor-jetux-ribadakodapa.pdf
    • http://thephilosophyblog.com/uploads/1/3/0/2/130272340/webiwotakax.pdf
    • http://linkify.org/uploads/1/3/0/7/130738825/mexowubi.pdf
    • http://www.thesensiblepetreport.com/uploads/1/3/0/9/130969166/2f1521c07f11108.pdf
    • http://forkthecommons.com/uploads/1/3/0/2/130291552/1ac46.pdf
    • http://www.kidco-academy.com/uploads/1/3/0/2/130272905/japatoburedoterofimi.pdf
    • http://retail-arbitrage.training/uploads/1/3/0/2/130289510/xukimolu-boganopazosazaf-sekimo.pdf
    • http://www.holisticvethousecalls.com/uploads/1/3/0/3/130313213/130313213.html#lg+ac+window+unit+5000+btu
    • http://www.kidco-academy.com/uploads/1/3/0/2/130272905/ja

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b7b.bin
c5aaced3950df90711b68785fd3b170e9b25a02a1b502e92d16e09ad58ef1eca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7B 8340 bytes

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