MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to external websites, indicating a phishing or link-farming scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a spearphishing attachment used to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 https://huntic.ru/uplcv?utm_term=composition+of+piecewise+functions+calculator PDF link annotation
- http://pantipplaza.com/userfiles/file/suruxuvawarapetesak.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/34084174665.pdfIn PDF document text
- http://generale-bureautique.fr/gdb/files/file/78819233451.pdfIn PDF document text
- http://tartak-monis.pl/tartak/images/file/kabepimomexunakekexog.pdfIn PDF document text
- http://oiseau-bleu-morzine.com/userfiles/file/53556747321.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/xidofetupolidipukupu.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/911351c98121d6e4fed8b72c39e67729/rimaruruvifarenawu.pdfIn PDF document text
- http://adwokaci-pila.pl/userfiles/file/64645975634.pdfIn PDF document text
- http://sun-green.be/ckfinder/userfiles/files/50360367352.pdfIn PDF document text
- https://nexusmediation.nl/files/3201922019.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/fufizof.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/mapizebigogilenamifix.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/bovegofujufavuvowibasib.pdfIn PDF document text
- http://shinyoungvalve.com/userData/board/file/73667180704.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/zokuxugunowolikim.pdfIn PDF document text
- http://otoozevran.com/resimler/files/zokug.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/64376252018.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/mijajemevepazowejukeliwij.pdfIn PDF document text
- http://nincity.de/inline/file/64323813315.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/29487775923.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/lefimo.pdfIn PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/24423789725.pdfIn PDF document text
- http://kyochonbuenapark.iorderfoods.com/uploads/files/80908572776.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE08 | 17572 bytes |
SHA-256: 309ac27e58b79837990aae49b216e1b972cbba5da209e0f8ee1468984d1c725e |
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font_02_sfnt_off0000fc90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC90 | 10860 bytes |
SHA-256: 2e59f60ebab701595ea94f32bdab41a38699d4192620f052cb1ab5bdf227b655 |
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