MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for executing malicious code. The file also features multiple links to external URLs, including one identified as an algorithmically-generated URL, suggesting an attempt to download a second-stage payload or redirect the user to a phishing site. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=voices+in+the+park+book+pdf PDF link annotation
- http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/bepupadexunav.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/36212617319.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-1/20210901182416113297.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/90416356297.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133142d61347---87824581612.pdfIn PDF document text
- https://vasantviharproperties.com/userfiles/file/36184646716.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/59680220127.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/tofadi.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613284eea4cc5---61353365406.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/20822136728.pdfIn PDF document text
- http://insightonafrica.in/userfiles/file/surozuvutufufezurewukid.pdfIn PDF document text
- http://canadianrockies.info/files/file/34823526728.pdfIn PDF document text
- http://etkenkalip.com/files/mijeton.pdfIn PDF document text
- http://cameradungphat.com/uploads/files/80507648177.pdfIn PDF document text
- https://oasis-travel.ro/files/gitiwaxila.pdfIn PDF document text
- http://csc0851.com/userfiles/file/20210904124914_w2xfub.pdfIn PDF document text
- http://xmst.com.vn/app/webroot/uploads/files/22862354222.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/18332511890.pdfIn PDF document text
- http://nabisori.com/userfiles/file/21049302545.pdfIn PDF document text
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/77458052941.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/76821729182.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/50066163658.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/novoxuzamufejozo.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/filirowil.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_off0000c585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC585 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD97 | 18268 bytes |
SHA-256: 9ade0e248c3f56e2fc95445db311de9bce410446e5109c45739bfd4e5f0157db |
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font_02_sfnt_off00010c82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C82 | 10872 bytes |
SHA-256: ebaeb1b467f581baecd80206ba4202422515ecbc5bab5b5070f786af4cc4c1d2 |
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