MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of these URLs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://coretry.ru/uplcv?utm_term=the+witcher+the+sword+of+destiny+pdf PDF link annotation
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417acbdbbdd---vuwufosubob.pdfIn PDF document text
- http://rm-centr.ru/uploads/file/84352141658.pdfIn PDF document text
- http://xn--80akoseq9f.xn--p1ai/userfiles/file/falurito.pdfIn PDF document text
- http://totoquynhhuong.com/upload/files/gupodenemet.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/25591597679.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/32710639477.pdfIn PDF document text
- http://eventologia.com/userfiles/files/xasegisaregivifoki.pdfIn PDF document text
- https://adikkeempat.com/contents/files/31230710328.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/op23s4ql5bilun5evr8u8gpcln/16339676283.pdfIn PDF document text
- https://theurbanthinktank.com/files/65522490652.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/74098409512.pdfIn PDF document text
- http://iuoooo.com/filespath/files/20210908184836.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///vuguti.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sotitatemoselugifaji.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/16898918867.pdfIn PDF document text
- https://eol.org.pe/ckfinder/userfiles/files/58949688712.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614692e0f12cf---32010994078.pdfIn PDF document text
- https://yar-net.ru/userfiles/file/59623817473.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/6fe65d4fe1d6e20f74463b1bd46773b1/fefobilevijosogo.pdfIn PDF document text
- http://neodermclinic.com/file_media/file_image/file/nixezibopa.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91510848499.pdfIn PDF document text
- http://epicridesnepal.com/files/kerosukepope.pdfIn PDF document text
- https://giga-tronics.com/userfiles/files/xabedemonimunoxinuloro.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_off000105e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E3 | 18276 bytes |
SHA-256: 3eca081ac73ce9913b4037d41a47c1250cc878366223a2a23942d20b8e818249 |
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font_01_sfnt_off00013594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13594 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014dab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DAB | 10672 bytes |
SHA-256: b74796bbb4b667868bb75097ca1746f9e5bd481b2a16baed290bb0da71356021 |
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