MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates redirection to a link farm, as suggested by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the presence of numerous URLs, some pointing to potentially disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://yuhuimachinery.com/d/files/moboxorovijimeno.pdf In PDF document text
- http://jj-metals.com/userfiles/file/2021090801334373499.pdfIn PDF document text
- http://daotaonhaccong.com/uploads/userfiles/file/pujuxoworawabegul.pdfIn PDF document text
- http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/26773891963.pdfIn PDF document text
- http://hitecds.com/userfiles/file/45229213278.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/roriwudewalaxizadoterezi.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/93555231606.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/sesajujudakituwavov.pdfIn PDF document text
- http://dsfly.com/uploads/files/noporukafem.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109041317079956.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/73531777270.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/41414837205.pdfIn PDF document text
- https://onecre.com/images/content/files/popoduvonukuzuvawojevoza.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/xefufutogajajefigije.pdfIn PDF document text
- http://le-nora.com/userfiles/file/walol.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/gapoxefefiragoxopujog.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/a6435089fe80451023fe53b29045beba/94388111787.pdfIn PDF document text
- https://doublehair.center/upload/ckfinder/files/97930389977.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/64483345698.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/lidiperutamegasame.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///fofibinizozul.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/28206207735.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/grmm17k6m240qgul2gai11n2cg/lufimosalana.pdfIn PDF document text
- http://ruihuitax.com/files/file/77578735498.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=glow+hockey+2PDF 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_off0000d8d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D7 | 18196 bytes |
SHA-256: 7b44f6d79aff11f31189d2c095a3fc81d4dd7bb194165f3cc19e8571336b3983 |
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font_01_sfnt_off000107b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B1 | 10056 bytes |
SHA-256: 140ee8bf240e52b19c997c95315c410469fadfe569810431a492991a15a163c5 |
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font_02_sfnt_off00011e58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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