MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload. No scripts were extracted, but the PDF structure itself is designed to lure users into clicking through to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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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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://srihemkuntsahibfgp.org/hemkunt/userfiles/file/88132090233.pdf In PDF document text
- https://kaimano.it/file/9890856349.pdfIn PDF document text
- https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/49939887626.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/f97631a892a17b0b2160f5373a55bd64/42896519571.pdfIn PDF document text
- http://openendrep.com/userfiles/files/4760117503.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/0c52lc9ddevjs80sjj0sbsmpm8/wufigojemilomemevuvopon.pdfIn PDF document text
- http://willajarmar.pl/userfiles/file/dapolumozozetejemevakab.pdfIn PDF document text
- https://vieclamlaocai.vn/webroot/img/files/jolanux.pdfIn PDF document text
- http://castel.lu/userfiles/files/kofewiwenixoruse.pdfIn PDF document text
- http://shahgrp.com/uploads/12026108611.pdfIn PDF document text
- https://mwasafat.com/uploads/files/24546478818.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210924052059.pdfIn PDF document text
- https://mimpishio.com/contents/files/niken.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/wobokuwemevevimozu.pdfIn PDF document text
- http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/tuxamiji.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/61514231528.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/88241459530.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/jojatepebavuwevosa.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/zewagogebebisefi.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80821904178.pdfIn PDF document text
- http://teknis.it/userfiles/files/53635472410.pdfIn PDF document text
- http://behtarinekhodetbash.com/files/files/guzuninuwifazivutetufepe.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/lekipusonerawagixawo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=all+about+occultPDF 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_off00010ed6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED6 | 20056 bytes |
SHA-256: 28f1cc8cae2fd5106ece059248a66dd232338d1e752a9e91fec839c1e23d2e10 |
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font_01_sfnt_off000142a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15ABE | 9848 bytes |
SHA-256: 43738c3ff22e274409a393a64200e3b7fbbf9b0eea671b8a5c283de07c6275aa |
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