MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external URIs and link farm patterns, suggesting its primary purpose is to redirect users to potentially harmful websites. The presence of 'utm_term' parameters in some URLs indicates an attempt at SEO manipulation to lure unsuspecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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+sims+freeplay+apk+hack PDF link annotation
- http://bephoangdung.vn/uploads/ckfinder/files/dalelonemos.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/43515901489.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/48643291335.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c5eb8f7f6---75356894250.pdfIn PDF document text
- https://rcot.org/userfiles/file/9813551176.pdfIn PDF document text
- https://global-brand.net/userfiles/files/41880463036.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16141670ae7c4d---lusukajijuxeg.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/13373312315.pdfIn PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/76099335408.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/88217454083.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/wozonokag.pdfIn PDF document text
- http://wmsone.com/eimages/file/basolan.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/21125247339.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/pinobozabasuludoxolibowi.pdfIn PDF document text
- https://www.naabelectric.com/userfiles/files/79180851860.pdfIn PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/gokuvajunaforolafufapezez.pdfIn PDF document text
- http://robedecreateur.com/img/files/bawajeverosinuma.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/lowirifizilipavosajodidek.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161352cbf4b9b4---sokefevabagamizudaka.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/liremibinar.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_off0000abb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABB5 | 10592 bytes |
SHA-256: e7a9c4b0fc1ee029bd2d6f7b415166a097cdad2f9f992f6be3ec87f7c53033fa |
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font_01_sfnt_off0000c3e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3E9 | 15000 bytes |
SHA-256: e8036e17fcbbb9b452f9c130d0c33aeeef8c8ef003b36ed5cbdf7b6aa9d6f680 |
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font_02_sfnt_off0000ea1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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