MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded JavaScript stream and the presence of numerous external URIs, many pointing to compromised CMS uploads or disposable hosting, suggest it functions as a link farm. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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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://coretry.ru/uplcv?utm_term=fake+gps+location+spoofer+free PDF link annotation
- https://castilloexterior.es/ckfinder/userfiles/files/wexuxejevasikovopotabawi.pdfIn PDF document text
- https://shinko-tw.com/UserFiles/file/7233357976.pdfIn PDF document text
- http://dxline.eu/userfiles/file/75212953995.pdfIn PDF document text
- http://palmdale.thepokeluau.com/uploads/files/nazojimif.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354676f092c---kezevutikamumedon.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/bisivodubebejosibi.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/25828744352.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/57723430862.pdfIn PDF document text
- http://blpest.com/UserFiles/file/76675489855.pdfIn PDF document text
- http://freewest.at/jazugida.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/wulozorasewufa.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/19628638621.pdfIn PDF document text
- http://maxbrio.kr/files/files/71624894975.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/4e9f600c08c629dc0575fa423728e7ba/12999868591.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/4102597963.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16133c1aad85ea---maboxoralikoxuseg.pdfIn PDF document text
- http://studioguagnoni.it/userfiles/files/93648269055.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/batorov.pdfIn PDF document text
- https://staging-info.sharkovinkom.com/sharkovinkom.com/ckfinder/userfiles/files/61000387211.pdfIn PDF document text
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/mugomujoboxekalu.pdfIn PDF document text
- http://www.kevimotor-rock.hu/files/files/wivaxi.pdfIn PDF document text
- https://odontologosmalca.com/images/userfiles/file/15523553528.pdfIn PDF document text
- https://bakwanudang.com/contents/files/14971981787.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/fosuwegikufilajubiditine.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_off0000c1c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1C0 | 10724 bytes |
SHA-256: 6e9d7bfcd304ddfa958e0dd759962de98bd5aca9873f31be71949088c2012d65 |
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font_01_sfnt_off0000da85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF297 | 16340 bytes |
SHA-256: 7e86122793d5e9bc8c0a54f78f794dc86162368f205f525993d796b9dc8f21f2 |
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