MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a large number of external URIs, many of which point to compromised WordPress sites or are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple PDF-specific heuristics further supports its classification as a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://medvor.ru/uplcv?utm_term=gta+5+cheats+pc+bike PDF link annotation
- http://eko-uklid.com/files/file/darifumarokok.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/nuvomixuxeremifurasez.pdfIn PDF document text
- http://turnyras.lt/Files/file/49032400639.pdfIn PDF document text
- http://screen.by/images/file/zofanede.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/2996919052.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/74055025307.pdfIn PDF document text
- https://www.pactforfamilies.org/ckfinder/userfiles/files/nolas.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/78986521255.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613c068e58688---1191250741.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/nugari.pdfIn PDF document text
- https://petribax.com/userfiles/file/67533258178.pdfIn PDF document text
- http://strandedtattoo.com/file/zurifaxurepasozinevixu.pdfIn PDF document text
- https://jdsliquorlocker.com/nbloom/fckuploads/file/72569132194.pdfIn PDF document text
- https://espritgt.com/userfiles/file/xokoz.pdfIn PDF document text
- https://aedwea.com/upload/foto/dowosagetugubuvigit.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/79361271469.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed1acc2e4f---vifusunawotajutuwe.pdfIn PDF document text
- http://maivietnamesecotati.com/uploads/files/kevikorodafexa.pdfIn PDF document text
- https://eltechma.com/zdjecia/fck/file/21621402944.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/eosc78m84339u3m93onou2lp77/24110925288.pdfIn PDF document text
- http://residenceraffaellotorino.com/userfiles/files/wugofuratigiwuxi.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/b43aeaa6f97eb84f943715edef16455f/lagutevimalakumisosek.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/vilewopugidib.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_off0000f96d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF96D | 18896 bytes |
SHA-256: 7d1a1c638b5aecac38d371c344dd62f9bdb86781836aa607da292353d13e2721 |
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font_01_sfnt_off000129ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000141e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141E5 | 10508 bytes |
SHA-256: 97cffcda9a87aebd75cdf4d52c8d4af7552d37a52fe6674c328da995e5a1266c |
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