MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may also instruct users to open a password-protected archive, a common tactic to bypass security filters. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://pixomot.ru/uplcv?utm_term=cambiare+account+google+su+android PDF link annotation
- http://botosani.ro/img/uploads/file/43442699726.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/jatuvaveliwinipajo.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/h3rr1cq1ulvkla03e9mt0obg6q/tatikitetimufavibobilexil.pdfIn PDF document text
- http://victoryelectricalsupply.com/ckfinder/userfiles/files/kojogabitavusixukawifa.pdfIn PDF document text
- http://medicom.pl/userfiles/file/pogegof.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/91888453498.pdfIn PDF document text
- http://gestaocipa.com/public_html/Imagens/file/49389890153.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/vozevijojonubunekebevigiz.pdfIn PDF document text
- http://omni-links.com/images/blog/file/favitewaset.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/3beadfab00c6088b14f026921d4b82f7/gateferosepet.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/3cdd2f5785ed697e037e2c1da1a5197d/bigaramogolezifofirakufad.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/97064379118.pdfIn PDF document text
- http://zuche0551.com/upload/file/vifofa.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/kijinimokomalomiwa.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210907_080030.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/35397375395.pdfIn PDF document text
- http://xn--or3bo5mvlb.com/data/editor/file/45221972662.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/firebekarewi.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/rixik.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109190455398064.pdfIn PDF document text
- http://www.armstrongre.com/files/files/kaxadigedidedizokix.pdfIn PDF document text
- http://przyrodnik-kujawy.eu/userfiles/file/7295624965.pdfIn PDF document text
- https://rwd.webseo.tw/upload/files/gusifipotenukujakujegega.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_off0000d57f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57F | 16996 bytes |
SHA-256: aa244108da0bead7dacd7d6ff961fbe819c1ca5c87851a1bba3fc1d985766328 |
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font_01_sfnt_off000101fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FE | 10984 bytes |
SHA-256: a415cf4e94d12fe4751e1dd7bb3c934d61224bd7f3029fae3717b774d7ea73d9 |
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font_02_sfnt_off00011b48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B48 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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