MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to PDF files on potentially disposable hosting, suggests a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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 http://hotspot-usa.com/js/upload/files/fijusuriberigena.pdf In PDF document text
- http://espokebar.com/uploads/files/14833947190.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-9/20210909210736506931.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/5332275412.pdfIn PDF document text
- http://emannsltd.com/userfiles/kulusali.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/gobenapakotarorikabumuko.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/bakugamurozaxuvosilem.pdfIn PDF document text
- http://giasuthanhdat.vn/Images_upload/files/vumufunapamofek.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/79508571347.pdfIn PDF document text
- http://lifecare4all.com/upload/files/zofogifowe.pdfIn PDF document text
- http://asr-net.ru/uploads/files/19646415531.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/72216728801.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/tadabikigobuluketut.pdfIn PDF document text
- http://h-p-n.fr/catalogue_dynamique/file/7515538430.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/kefanofunonogijo.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/wamuvegejifoviti.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/foxunirunefov.pdfIn PDF document text
- https://leciv.fr/uploads/FCK_files/file/1807585718.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/28628325615.pdfIn PDF document text
- https://stancijanegrin.com/UserFiles/files/tolus.pdfIn PDF document text
- http://sportservistocik.cz/UserFiles/File/jijukuvixojekukala.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/20219151547429827.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a032ddc68---gopuwabapiwatimipivipisib.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/161396c61b2ad0---82542808545.pdfIn PDF document text
- http://seychelles-resort.com/images/blog/file/riratibifel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=curtain+wall+corner+mullionPDF 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_off0000c355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC355 | 10440 bytes |
SHA-256: eb50498bd3b8d1a66be35bf7f27cef33fc2a46aac5461269c025954e6e441149 |
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font_01_sfnt_off0000db0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0A | 17948 bytes |
SHA-256: f00905942f35db0f83f6ca53b0a62039fa297c5318a5aeac624db0ea72e47367 |
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font_02_sfnt_off00010917.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10917 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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