MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are consistent with a phishing lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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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://jajugroup.com/ckfinder/userfiles/files/votiziwuvejij.pdf In PDF document text
- http://yucehukuk.com/resimler/files/nusigezewusekivibirota.pdfIn PDF document text
- http://autovoda.ru/upload/files/43166378121.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/61286532696.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5ac4e8940---23302115505.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/82406e277544bdfb7d2b9bde887a938a/59136863726.pdfIn PDF document text
- http://myphammonly.com/luutru/files/77546227228.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/50509299985.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/fogefa.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/vofinifujitar.pdfIn PDF document text
- http://gattoneva.pl/pages/userfiles/file/gosaz.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/96718185571.pdfIn PDF document text
- http://dlabiura.kbo.pl/ckfinder/userfiles/files/16082799815.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/nititi.pdfIn PDF document text
- https://booburger.myagenda.cz/pictures/editor/files/suniju.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/90130922230.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/vuluvuzafuwozibeme.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/2906453152.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/61895209990.pdfIn PDF document text
- https://camphacement.vn/upload/files/tewedaz.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/59929094406.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/65212541719.pdfIn PDF document text
- http://4bx.pl/public/file/susineris.pdfIn PDF document text
- https://www.informacion-indoorclub.com/boletines/img/file/sasizujepilolapajafaful.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b276032100---tesel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+way+i+hate+you+dramaPDF 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_off0000d519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD519 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2B | 17508 bytes |
SHA-256: 3d5e044110b21fff3378a20d3446db2be66e096d423859eb3055e24353dd25c2 |
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font_02_sfnt_off00011a6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6D | 10456 bytes |
SHA-256: 7b9e30cc05cb2e80d453b2b6161a974181f864b940e20bd5bc68f0f686e819b0 |
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