MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam pattern, where the document prompts the user to call a phone number. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a malicious document designed to deceive users into contacting fraudulent support.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 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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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://tele-klass.ru/i/upload/files/gafub.pdf In PDF document text
- http://wangguanhardware.com/userfiles/file/vejowusenupekomul.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/96120202145.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/mugafesirageti.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/45938205566.pdfIn PDF document text
- http://vinhomeshaiphong.net/app/webroot/img/files/wudotodo.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/70960695063.pdfIn PDF document text
- https://ww150007.linebot.net/upfile/files/20210903073756.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/1084bptqoghcgsa2c9ahfc4926/6667682961.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/fovuvam.pdfIn PDF document text
- http://gibisch.org/files/files/83087535522.pdfIn PDF document text
- http://sameiroeventos.pt/ficheiros/40510333900.pdfIn PDF document text
- http://jedwines.com/cmsCart/upload/file/36691888935.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc4671445c---vosigeguradevafejop.pdfIn PDF document text
- https://przyklejki.pl/userfiles/94684723420.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/nosiritowibewibow.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/28476746863.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/guson.pdfIn PDF document text
- http://secondhandgraphics.com/usrfiles/file/53112628838.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/periga.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/vaxexoporuguz.pdfIn PDF document text
- http://kimura-shihoshoshi.com/userfiles/file/deregoligizi.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/69267238329.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=the+ballad+of+gay+tony+cheats+pcPDF 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_off0000dc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC67 | 18036 bytes |
SHA-256: 6ef31fe78093382d4f3dbdd2144228f1d422ce58fe5f2c31f8cade5d75058186 |
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font_01_sfnt_off00010b78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B78 | 10924 bytes |
SHA-256: 764d11fc782d62af84df687547b8a4403cefeb20987f43f22d178d74269d81af |
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font_02_sfnt_off0001245f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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