MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly indicate maliciousness, specifically classifying it as Pdf.Phishing.TtraffRobotInstall. The document body, though heavily obfuscated, also contains many of these external URLs, reinforcing the finding that the primary function is to redirect users to a link farm. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Embedded URL info EMBEDDED_URLOne 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://esther-schreier.net/uploads/2020/01/28/goxube.pdf In PDF document text
- http://zamatita.etg-store.com/uploads/2020/01/27/soworevomorelowi.pdfIn PDF document text
- https://benosatini.weebly.com/uploads/1/3/0/5/130547116/4584980.pdfIn PDF document text
- http://zodi.wellsonlineserviceverifications.biz/uploads/2020/01/29/8363058.pdfIn PDF document text
- http://mskreslo.ru/uploads/2020/01/27/xavominigivaku-kikafo-jibobef-wodonujiw.pdfIn PDF document text
- http://myamandarogers.com/uploads/1/3/0/6/130621501/283594.pdfIn PDF document text
- http://newgaterva.com/uploads/1/3/0/4/130476068/vuwozope-xisezebujide-rufari.pdfIn PDF document text
- http://datingwebclub.com/uploads/2020/01/27/dikil.pdfIn PDF document text
- http://lthousestudio.com/uploads/1/3/0/5/130590154/d8aadbf8068d4c.pdfIn PDF document text
- http://mississauganations.com/uploads/1/3/0/4/130476048/fexibujenatefod.pdfIn PDF document text
- https://fenodunow.weebly.com/uploads/1/3/0/4/130476574/xesiluluba.pdfIn PDF document text
- http://ziro.web-delo.icu/uploads/2020/01/28/7849552.pdfIn PDF document text
- http://vunom.car-tier.com/uploads/2020/01/29/6131775.pdfIn PDF document text
- http://zufodowi.quran-media.online/uploads/2020/01/28/savenewubaju.pdfIn PDF document text
- http://alphamediaagency.com/uploads/1/3/0/6/130604222/2030577.pdfIn PDF document text
- http://theleawoodfamilydentist.com/uploads/1/3/0/6/130604408/130604408.html#photodiode+array+detector+pdfIn PDF document text
🗂 Part of campaign:
mskreslo.ru
3 samples
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00001391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1391 | 7256 bytes |
SHA-256: 3964bf5b6dac13d262661f2bfa7634a71bfea91959ec64a3a064b71b1f2bebe4 |
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