MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a high-confidence heuristic indicates it is a lure for free downloads, likely phishing. The embedded JavaScript likely facilitates the download and execution of a second-stage payload from the identified redirector URL. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6704
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://yubit.co.za/XSRYdR1H?utm_term=electric+circuits+10th+edition+answers PDF link annotation
- http://playitdirect.ca/ckfinder/uploadfiles/files/rurolafar.pdfIn PDF document text
- https://kekomefokusun.weebly.com/uploads/1/3/7/5/137511549/zonejor.pdfIn PDF document text
- https://bejelopaze.weebly.com/uploads/1/3/2/6/132682113/rafifugirofoso.pdfIn PDF document text
- https://fawazubiloxusa.weebly.com/uploads/1/4/1/2/141280469/zevexe.pdfIn PDF document text
- https://bemitobiz.weebly.com/uploads/1/3/4/6/134681698/00de997e65f3033.pdfIn PDF document text
- https://ventadeterrenosagricolas.com/userfiles/file/24907258636.pdfIn PDF document text
- https://zubetotuduve.weebly.com/uploads/1/3/5/3/135340520/pezin.pdfIn PDF document text
- https://pufabakorulur.weebly.com/uploads/1/3/4/3/134320636/sofutopiwiwopikaxozu.pdfIn PDF document text
- https://gavixidosoxadi.weebly.com/uploads/1/3/0/7/130776067/fudikiwuw_dowuleru_junerezifi.pdfIn PDF document text
- https://sasofotomedulel.weebly.com/uploads/1/3/4/2/134235056/89a2fd541a2e.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1622264fa2230f---jajiraruvenuwuluvalatene.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/8d50378a329e4cfa8777ea258a503105/vonewifuje.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/posavamasumuwatimisar.pdfIn PDF document text
- https://xutonipojoneri.weebly.com/uploads/1/3/4/6/134667901/8703d29.pdfIn PDF document text
- https://pozagazekoz.weebly.com/uploads/1/4/1/2/141251227/figaxi.pdfIn PDF document text
- https://lakovunuvivojib.weebly.com/uploads/1/4/1/3/141306318/233151.pdfIn PDF document text
- https://zavelodenewiguj.weebly.com/uploads/1/3/5/3/135314669/8ec11799d93f0.pdfIn PDF document text
- http://tecksco.com/upload/files/begefolalewameje.pdfIn PDF document text
- https://wejapofi.weebly.com/uploads/1/3/4/5/134590092/93e52aad.pdfIn PDF document text
- https://bikubelefa.weebly.com/uploads/1/3/1/6/131606475/wilip.pdfIn PDF document text
- https://lalovetesosa.weebly.com/uploads/1/3/4/7/134728341/lunubuwib-sadanibagaz-ravalika.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/72410561387.pdfIn PDF document text
- http://studioguatta.it/userfiles/files/91354727436.pdfIn PDF document text
- http://corising.info/sa_upload/userfiles/file/20220315194931.pdfIn PDF document text
- https://tubefikuromurap.weebly.com/uploads/1/3/4/8/134888710/wunogut-goxavifopakaro.pdfIn PDF document text
- http://universityjournals.org/app/webroot/js/kcfinder/upload/files/takisufumaxuvuj.pdfIn PDF document text
- https://tuvukorop.weebly.com/uploads/1/3/1/8/131857527/7906649.pdfIn PDF document text
- https://kejarokelevu.weebly.com/uploads/1/3/5/2/135297316/d1ae8be2a1c88b.pdfIn PDF document text
- https://bapumelu.weebly.com/uploads/1/3/7/5/137502396/zukifiretozixoxarax.pdfIn PDF document text
- http://hajostanfolyam.hu/admin/kcfinder/upload/files/texep.pdfIn PDF document text
- http://medwin.kr/userData/board/file/53431708512.pdfIn PDF document text
- https://ginamorevuj.weebly.com/uploads/1/3/4/3/134392530/6e6a3e6dc9bca6d.pdfIn PDF document text
- https://dubikemuzivodil.weebly.com/uploads/1/4/1/4/141429209/nijodo_robalatagifodi_bozonomokunowa_jifewotimiga.pdfIn PDF document text
- http://keyvalveltd.com/UPFILE/userfiles/files/50321768746.pdfIn PDF document text
- http://espace.peinard.fr/include/images/files/turunaf.pdfIn PDF document text
- http://xn--9d0bk1sn6gncq95flql.com/user_data/kcfinder/files/9708128466.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_off000432ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x432BA | 22136 bytes |
SHA-256: 38a5d512bc9cbe0042101f19a0c3f82dd4cf968f7bff205118d492932b42a924 |
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font_01_sfnt_off00046e15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46E15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0004862c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4862C | 10808 bytes |
SHA-256: 59c82b7391beced5bb52fcebcf9728c66d7af1f580935fb75e12eec7ffa7dd65 |
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