MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is detected as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. It is an image-only document designed to trick users into clicking a link, as indicated by the 'PDF_IMAGE_LURE' heuristic. The document contains numerous external URIs, suggesting it functions as a link farm to potentially malicious sites. No scripts were extracted from this sample, but the overall structure and heuristics point towards a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 https://cobaltinc.org/userfiles/file/18728810556.pdf In PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/75965579542.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/xaxosiparagan.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/55224162311.pdfIn PDF document text
- http://ontis.sk/editor_uploads/system/files/97506760610.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/6498807890.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/45887544740.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/94075742101.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c81665dff3---19152785597.pdfIn PDF document text
- https://groupunsur1.com/contents/files/54375689019.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1631799132.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613268dfca943---xipasesuju.pdfIn PDF document text
- http://khunghinhdepphuctin.com/media/ftp/file/loteg.pdfIn PDF document text
- https://ihappywash.com/uploads/files/202109121034588030.pdfIn PDF document text
- http://owop.challengersports.com/ckfinder/userfiles/files/mamudirefixewe.pdfIn PDF document text
- https://lekkermooi.nl/userfiles/file/ribowe.pdfIn PDF document text
- https://allianztc.ro/files/file/43603508205.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/piwekiwijazuzi.pdfIn PDF document text
- https://designsdubaiukfashion.com/userfiles/file/sukonixadululekinuzibam.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/35699356457.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/didosimizarenifofiniwo.pdfIn PDF document text
- https://viceda.com/userfiles/file/99812454312.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/84472658554.pdfIn PDF document text
- http://netcentricnj.com/ckfinder/userfiles/files/65953511713.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=pokerace99+android+versi+terbaruPDF 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_off0000ae2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c642.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC642 | 10884 bytes |
SHA-256: e8043db34442ee42270d1d684ef60f7470a60b7a2f7a71484417a9bbfc0fac15 |
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font_02_sfnt_off0000dfa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA9 | 13620 bytes |
SHA-256: 52a206274fd05e206d87c99acf06b6cc13ae38f9574c9760b695fde5f5be2d67 |
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