MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further malicious content under the guise of a firmware update.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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 https://catamma.ru/uplcv?utm_term=download+firmware+samsung+galaxy+fame+s6810+indonesia PDF link annotation
- http://www.enredmail.com/templates/files/idCliente_/file/buzubegulogajije.pdfIn PDF document text
- https://ist-lb1.istanajp.com/contents/files/1687591156.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614255fde05b1---moxoxiwamomaxob.pdfIn PDF document text
- http://studiocariola.com/userfiles/files/xajukifajitetixegafifipin.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9d667b54e---54686852192.pdfIn PDF document text
- https://windscrm.net/files/file/renodirif.pdfIn PDF document text
- http://ideviceplus.be/app/webroot/files/userfiles/files/78886593390.pdfIn PDF document text
- http://joeun-it.com/userData/board/file/xolujinawak.pdfIn PDF document text
- http://hotspot-usa.com/js/upload/files/xepewajipogabanita.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/98114550215.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/vazikobepudanasi.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3e5896551---51071373478.pdfIn PDF document text
- http://poliinc.com/upload/files/81520565554.pdfIn PDF document text
- http://athaj2.specialty-match.com/upload/files/27232950731.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/55660717648.pdfIn PDF document text
- http://area100impianti.it/userfiles/files/sinegazofofajokifexidoder.pdfIn PDF document text
- http://cbestdesign.com/ckfinder/images_store/files/86827187906.pdfIn PDF document text
- https://osakaav.com/userfiles/files/36189992568.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/tupuxitu.pdfIn PDF document text
- https://tckontrola.hr/files/11899862161.pdfIn PDF document text
- https://bunyaminerdemir.com/resimler/files/73281109633.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/xisuj.pdfIn 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://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_off0000e212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE212 | 11552 bytes |
SHA-256: 09840809218e667023908326397694008448cead74239c0e8c0e036b98784975 |
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font_01_sfnt_off0000fd5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11570 | 17696 bytes |
SHA-256: d2c0a5486ccb2cd3762aef91ac8d03682796ffd576d21b43d6c771edfa6ba15e |
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