MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and links to compromised WordPress uploads and disposable hosting, indicating a link farm designed to redirect users to malicious sites. The document body is unreadable, but the heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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://chcial.ru/uplcv?utm_term=pokemon+black+3ds+download PDF link annotation
- https://chambres-a-la-ferme-plouzelambre.fr/userfiles/file/41514135396.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/73a2392072b1a2abf3776c36a28ab3b7/lefedola.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5cee85a5d---bujivumijamefikomulokavu.pdfIn PDF document text
- http://octapus.vn/images/uploads/files/40056047843.pdfIn PDF document text
- http://mebel-moscow.com/content/xuploadimages/file/puzakujizip.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139a804bf328---golitodijiv.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/wewupaw.pdfIn PDF document text
- https://fratellifurloni.it/file/vojivebodaxakodorebos.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/50920996811.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bebf7ce6d---50337357076.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/refapiwela.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/xozubu.pdfIn PDF document text
- http://www.yevres.fr/ckfinder/userfiles/files/16852065049.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/lagidikepapusawage.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/67495006150.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/bumosizoduladof.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/80523314234.pdfIn PDF document text
- http://zsdbiopharm.com/upload/files/lonemizozinesuzoru.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/71840085222.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/87936670113.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/nefajimo.pdfIn PDF document text
- http://xsteelstock.com/d/files/16397550498.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/desilekasir.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210913110109.pdfIn PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/13343729167.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/baluzikul.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_off0000c974.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC974 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18B | 10732 bytes |
SHA-256: 3442d439a11a213bed7a9817a90f6eb78530502f7a51b4ef746dbbfc796bbf2e |
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font_02_sfnt_off0000fa4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4E | 16836 bytes |
SHA-256: cdcb51b46c4c1805fb4d00bc4b7be8e6b4bd219d6dd4a24a30dbe9b215d79dac |
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