Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cd7f1f2d1db1af1…

MALICIOUS

PDF

33.8 KB Authoring application: Mobipocket Creator First seen: 2020-09-07
MD5: 2b332b6e2933b4546bc7556eb0a30fe3 SHA-1: 16435733459d8a061fd232bf4c91a834a2127796 SHA-256: 2cd7f1f2d1db1af1242439693c89dfafc2c92ac081d3a6e98242ca9f8752e6d1
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 other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score further support its malicious nature. No scripts were extracted from this sample, and the document body content is largely unreadable, making it difficult to determine the exact payload or user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.phoenixeditorial.org/uploads/1/3/0/8/130813447/2921845.pdf In PDF document text
    • http://fetalcardio.org/uploads/1/3/0/4/130483961/jadepovukaxut.pdfIn PDF document text
    • http://rachelreding.net/uploads/1/3/0/5/130541028/dowenawafonat.pdfIn PDF document text
    • http://myssample.com/uploads/1/3/0/5/130588895/pedetex-rirob-nusatisine.pdfIn PDF document text
    • http://americanpastimebaseball.com/uploads/1/3/0/5/130550812/4467327.pdfIn PDF document text
    • http://webmail.clickingcanvases.com/uploads/1/3/0/5/130544591/897982.pdfIn PDF document text
    • http://simpleeating.net/uploads/1/3/0/3/130313044/luzururozesu-votajopowuxa-xalonilusamilu.pdfIn PDF document text
    • http://autodiscover.flightinstructorpro.com/uploads/1/3/0/6/130604542/177995.pdfIn PDF document text
    • http://mindyourbodyfitnessandnutrition.com/uploads/1/3/0/4/130476818/mixebagijibo.pdfIn PDF document text
    • http://graysay.net/uploads/1/3/0/7/130776775/7360233.pdfIn PDF document text
    • http://oneskylane.org/uploads/1/3/0/5/130543488/1c9f8761ae8edc.pdfIn PDF document text
    • http://casadelbuentratohovde.org/uploads/1/3/0/6/130639404/sunagove_wogiredenaper_zabukaxe_jegezikuviv.pdfIn PDF document text
    • http://abmphpa.net/uploads/1/3/0/5/130550817/d61f87bb95320d.pdfIn PDF document text
    • http://4tbdn.salon225.com/uploads/1/3/0/6/130620278/130620278.html#fur+elise+piano+letter+notesIn PDF document text

Related samples 2

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002391.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2391 7864 bytes
SHA-256: eeba2395770eb5e97405d2cd6cfbe8a270fd2709ca05a1fb82dce7b7c40807b4

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