MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and multiple external URIs, with a high ML classifier score and ClamAV detection indicating malicious intent. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the document prompts the user to call a phone number. The presence of embedded JavaScript indicates potential for further malicious actions, such as downloading additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed534a56f2---92118298150.pdf In PDF document text
- https://www.confirmedtour.com/files/24408841589.pdfIn PDF document text
- http://saimiri.name/upload/file/38329995532.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/6962307773.pdfIn PDF document text
- https://billionbosses.com/ckfinder/userfiles/files/xofurudenutubef.pdfIn PDF document text
- https://jagamimpi.com/contents/files/27039370794.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/14077727891.pdfIn PDF document text
- https://successalpha.team/upload/files/sedefijosopawupakofevuf.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161426d694749d---zivipuzitinujolozez.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///pijikipigo.pdfIn PDF document text
- http://www.saito-ken.jp/userdata/file/jozufelemosox.pdfIn PDF document text
- https://oldgradeducation.com/ckfinder/userfiles/files/demuvopawi.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/bafukagigepunomigegem.pdfIn PDF document text
- http://etspak.com/survey/userfiles/files/gubepanubez.pdfIn PDF document text
- https://stehovani-ostrava.cz/static_pages_files/file/botokerijedisepube.pdfIn PDF document text
- http://china-baby-clothes.com/d/files/80208335135.pdfIn PDF document text
- http://abwessex.com/uploads/files/66512937221.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/90491561013.pdfIn PDF document text
- http://njchemland.com/upload/files/98134035244.pdfIn PDF document text
- http://jarauwerdaenzn.nl/userfiles/file/55911611739.pdfIn PDF document text
- https://codefon2.solar-napkollektor.hu/js/ckfinder/userfiles/files/52735351859.pdfIn PDF document text
- http://borik.customreal.sk/data/files/xaxitasixokufovenomunub.pdfIn PDF document text
- https://ropaalmayoreo.com/images/userfiles/file/zofufuboveg.pdfIn PDF document text
- https://loppisidjupdalen.se/images/uploaded/file/zuxinamutagoxenimorij.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/TSvcnjQ06Jg/uplcv?utm_term=edith+stein+finite+and+eternal+being+pdfPDF 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_off00011759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11759 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F6B | 20960 bytes |
SHA-256: c7fd7d3314078ed5be1933529cfca9b914acef60ce038f16d75a61cc191694ee |
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font_02_sfnt_off00016596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16596 | 10780 bytes |
SHA-256: d9a7888ab1e6418df1b3267c8744211cea0c53ce20794b5a596ade4b517ecc5f |
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