MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded JavaScript and a large number of external links, many of which point to potentially malicious domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The primary IOC is the URL https://yoyep.co.za/XSRYdR1H?utm_term=miller%27s+anesthesia+2020+2021+schedule+template+pdf, which is presented as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://yoyep.co.za/XSRYdR1H?utm_term=miller%27s+anesthesia+2020+2021+schedule+template+pdf
- https://seragedom.weebly.com/uploads/1/4/1/4/141493984/podepupisitagodib.pdf
- https://cira.thinkabit.net/downloads/files/5750089422.pdf
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/mizoxexenofuderisafiva.pdf
- http://zulassungsservice4you.de/bilder/file/busawaponozojibokunimeba.pdf
- https://dejokorakas.weebly.com/uploads/1/3/1/3/131379117/af0dd.pdf
- https://naselevozakukov.weebly.com/uploads/1/4/1/5/141594903/pewawajeso_xidenajagebo.pdf
- https://kebumemimax.weebly.com/uploads/1/3/1/6/131636814/792d6c.pdf
- http://specel.kz/app/webroot/js/kcfinder/upload/files/26185913786.pdf
- https://xiwulugizasu.weebly.com/uploads/1/3/2/7/132741433/fejapevu.pdf
- http://ansing.nl/userfiles/file/gisexuvuriv.pdf
- https://polytex.de/sites/default/files/jewukum.pdf
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/46801662297.pdf
- https://xokeledifevavaz.weebly.com/uploads/1/4/1/5/141573698/vuritatalijivub.pdf
- https://nudiwosesi.weebly.com/uploads/1/3/4/3/134317077/zofuge_lalavimisuguko_dageratini_webolu.pdf
- https://wovuxekas.weebly.com/uploads/1/3/4/3/134379471/a3c775cc6e508c.pdf
- https://sinekamawo.weebly.com/uploads/1/3/0/7/130776883/kifolesukepajotoz.pdf
- https://fekifefexil.weebly.com/uploads/1/3/0/8/130815726/bidulijotu_nigeka_liseputu_liwikozet.pdf
- https://funotagikaxu.weebly.com/uploads/1/3/1/8/131857914/3956938.pdf
- https://jirorenuges.weebly.com/uploads/1/3/0/8/130874518/posofotijudu.pdf
- https://wotuvakarebor.weebly.com/uploads/1/3/4/6/134665633/3232901.pdf
- https://powizosiki.weebly.com/uploads/1/3/4/0/134041047/mirinu.pdf
- https://lajojixuvoporor.weebly.com/uploads/1/3/0/7/130738555/ad237b04eb15.pdf
- https://mivewuwadomabat.weebly.com/uploads/1/3/1/6/131606259/vabusademisigud.pdf
- https://givebuzuwipagin.weebly.com/uploads/1/3/0/7/130775776/7662549.pdf
- http://khamranghaiphong.com/upload/files/xuxup.pdf
- http://kef.org.pk/kcfinder/upload/files/toxer.pdf
- https://castrolraceway.global-powersystems.com/~globa859/castrolraceway/userfiles/file/73657008239.pdf
- https://puxikatekeji.weebly.com/uploads/1/3/2/6/132681322/lajos.pdf
- https://voxomegalezu.weebly.com/uploads/1/4/2/0/142003768/mezosonamote.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1629ccb14b5459---zupezogafawokudagik.pdf
- https://favopitovuseb.weebly.com/uploads/1/3/4/4/134455409/juvafanaxejituzoga.pdf
- http://look.bio/kcfinder/upload/files/40516732961.pdf
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/werusojazikikazu.pdf
- https://bezikivokaxikiv.weebly.com/uploads/1/4/1/2/141253522/najiwo-xazimirevok-fudojexudes-gesobumejivev.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105e5.bin39c08d4fb604df656f0adf6734073fb0b257dd307dff62c9cd8ee1e4d310216d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E5 | 20388 bytes |
font_01_sfnt_off00013b07.bin26b163465afcee6eb3ddb8a7b252425aaa05c9bc6b48286eb0c4d05259759494 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B07 | 11188 bytes |
font_02_sfnt_off00015523.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15523 | 16792 bytes |
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