MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a high number of embedded links, many pointing to unknown domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on potentially disposable hosting, reinforcing the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
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://sanruouvang.net/images/uploaded/file/52550616186.pdf In PDF document text
- https://vrrc.heart.net.tw/ckfinder/ckfiles/files/pilitepedesinukuju.pdfIn PDF document text
- http://apple888.vn/luutru/files/pimuxudokibaxadijer.pdfIn PDF document text
- http://lagrupacio.cat/file/10066234600.pdfIn PDF document text
- http://biomax.shop/filespath/files/20210914061526.pdfIn PDF document text
- http://dorp.pl/userfiles/files/9667628859.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/161343622d3bad---95158404200.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/doparajegipem.pdfIn PDF document text
- http://hicoweld.com/shop/fck_file/file/55294858094.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/55920526231.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/lusesofagamogilar.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/40757854554.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144470c51609---vedegejak.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/xopibagad.pdfIn PDF document text
- http://annuaire-regional.com/ckfinder/userfiles/files/94590363827.pdfIn PDF document text
- https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/negujugewobenopudugopuko.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/56583264050.pdfIn PDF document text
- http://goldia.cz/data/file/nimegowugalef.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/fuxefizev.pdfIn PDF document text
- http://synphabase.ch/upload/file/tegevix.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/jamutuwefu.pdfIn PDF document text
- https://solturism.ro/images/file/86888446290.pdfIn PDF document text
- http://dispensapertutti.com/userfiles/files/purigokinufig.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/zagadijazijilolibis.pdfIn PDF document text
- https://ubitanduk.com/contents/files/wituredolotuwu.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/68396252921.pdfIn PDF document text
- http://king-pro.com/userfiles/files/refopuvonopubomum.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=love+after+lockup+stream+freePDF link annotation
- 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_off0000db33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34A | 10660 bytes |
SHA-256: ae00da9d89e6bd334d08453d2d17d900495f14c8e03f35f95b464b2ef84d6f4f |
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font_02_sfnt_off00010bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD3 | 21392 bytes |
SHA-256: 791f734a2e685097a68de5b63ee8b509ef09ddf5cf6869afa2120732d1aa5b86 |
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