MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to SEO redirectors and potentially malicious domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, and 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically flags an image lure leading to a redirector. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via the linked URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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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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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://xezojetit.ru/wix?keyword=vinayaka+mission+university+chennai PDF link annotation
- https://static.s123-cdn-static.com/uploads/4401712/normal_5ff20ff11be91.pdfIn PDF document text
- https://s3.amazonaws.com/tokit/35612267995.pdfIn PDF document text
- https://s3.amazonaws.com/feseni/wegagamik.pdfIn PDF document text
- https://s3.amazonaws.com/gaxuremewuger/dozejanepoxodebinab.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455196/normal_5fc9d897ae75f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379355/normal_604b797c3eb36.pdfIn PDF document text
- http://nuxagoliwanep.22web.org/dijireparemuzudukolugever.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448740/normal_6017767f4bffc.pdfIn PDF document text
- https://s3.amazonaws.com/nefagolom/bubble_sheet_for_mcqs_bise_lahore.pdfIn PDF document text
- https://s3.amazonaws.com/jevedijadiki/xafageregowitose.pdfIn PDF document text
- https://s3.amazonaws.com/mikibetiv/good_morning_gif_flowers_images.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483851/normal_5fd7361228b1a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387807/normal_5fede7c9bf396.pdfIn PDF document text
- https://s3.amazonaws.com/rewepalazamiso/65237777873.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c2c662fa-00ac-4c69-bf5d-04da7d6c99e2.filesusr.com/ugd/9b33c5_bfc2949cb30b485eb9e35ed3510eb074.pdf?index=trueIn PDF document text
- http://gafelen.epizy.com/31720058909.pdfIn PDF document text
- https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_6c12387053334f5d838575d9f978d579.pdf?index=trueIn PDF document text
- http://sarilakisorowev.rf.gd/jofogepisilapexaxes.pdfIn PDF document text
- https://76ed6b59-b034-43ac-b949-e1c08f76e3cb.filesusr.com/ugd/ee6100_81015d82b1a14aa5a70d3c655a650427.pdf?index=trueIn PDF document text
- https://a7563df4-ba19-4d82-a8a0-b2470d957038.filesusr.com/ugd/61f964_5ef79565ce3544028e8f1232505b1767.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C0 | 5196 bytes |
SHA-256: 191114a60e8ec884ed167cb0c64681dfb72e0ae461f1edb2795ad85279bb4625 |
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font_01_sfnt_off00010354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10354 | 11156 bytes |
SHA-256: c4a4ed3a790f0016d4d36f4e3cc8dbbae4552cf74ea1093483d3767f079ecc2b |
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