Malicious PDF — malware analysis report

Static analysis result for SHA-256 e574f2a0ebf6999d…

MALICIOUS

PDF

40.2 KB Authoring application: Soda PDF First seen: 2020-09-07
MD5: ffab45b99861efbe96ff92d24aad26a4 SHA-1: 6c05835fabf332ac332e5077fc299fb2ac720d67 SHA-256: e574f2a0ebf6999da0e0540dcd94f35171189f8fdfac758bc9ce74cbb2af6345
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact payload or purpose beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://www.wildmillers.com/uploads/1/3/0/6/130620878/0c25d.pdf In PDF document text
    • http://gacsalyi.net/uploads/1/3/0/6/130620955/51306d64df028ad.pdfIn PDF document text
    • http://need4relief.com/uploads/1/3/0/5/130588617/suxerixaxajewasuk.pdfIn PDF document text
    • http://oastexas.com/uploads/1/3/0/2/130271019/443669e2e4d1.pdfIn PDF document text
    • http://geriatricmodelingclub.com/uploads/1/3/0/4/130476351/2164144.pdfIn PDF document text
    • http://sherwoodrooster.com/uploads/1/3/0/7/130776366/9793877.pdfIn PDF document text
    • http://mta-sts.mail.nicholacampbell.com/uploads/1/3/0/6/130639318/subupagefo.pdfIn PDF document text
    • http://noahandangela.com/uploads/1/3/0/4/130483514/2969126.pdfIn PDF document text
    • http://psychologywriteshistory.com/uploads/1/3/0/5/130588769/4126681.pdfIn PDF document text
    • http://immigranthope.net/uploads/1/3/0/5/130539048/tabunevuserefexurij.pdfIn PDF document text
    • http://marriedinmaine.net/uploads/1/3/0/8/130874326/wapoxuxuxefido-kefukozemi-lizeg.pdfIn PDF document text
    • http://metroeastinterfaith.com/uploads/1/3/0/2/130289693/1499a36.pdfIn PDF document text
    • http://monicajlivingston.com/uploads/1/3/0/7/130775862/4380795.pdfIn PDF document text
    • http://atlantaasta.voyagerwebsites.com/uploads/1/3/0/8/130874257/130874257.html#saint+anton+am+arlberg+ski+resorts+europeIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4A 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_01_sfnt_off000042bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42BC 9008 bytes
SHA-256: b9e8f234768d3aaf3dcb97f10dc7382a40fe285f2132821f7ff8956233831775

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