MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm on compromised or disposable hosting. The embedded URLs, such as https://coretry.ru/uplcv?utm_term=webdriver+for+android, suggest an attempt to redirect users to potentially malicious content. The PDF structure and the presence of external links indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=webdriver+for+android PDF link annotation
- http://perilatomsk.ru/ckfinder/userfiles/files/kixomiku.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/97140924304.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/5171219727.pdfIn PDF document text
- http://checopharma.com/upload/files/beberip.pdfIn PDF document text
- http://starcity-vinhomes.vn/app/webroot/img/files/39197398312.pdfIn PDF document text
- http://bronia.org/userfiles/file/56955309636.pdfIn PDF document text
- http://totoumi.jp/upload/file/belozijonezivojuxigonelu.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/wevudum.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109050210502908.pdfIn PDF document text
- https://giant-nano.com/app/webroot/userfiles/files/sogabopuvikegijasipaga.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/56762259549.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614635e6de090---lozefisavizij.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/tediraputafevinululid.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca11d61db8---90227415622.pdfIn PDF document text
- http://baheth24cars.com/ckfinder/userfiles/files/zafunudowakawamogesese.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/xujabufulinanesixozodi.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/19b0bea43a84548319176b04788ef2ad/72552311231.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/pimaribemo.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210918004656.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/91593530474.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131b2567f4cd---gojepakibunafojeseninivob.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_off0000ac8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC8C | 15252 bytes |
SHA-256: d194a87b0583da7372b7e2476f96b50282499c618f70785506ca784d4ad8a762 |
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font_01_sfnt_off0000d2cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE2 | 10232 bytes |
SHA-256: 46ca98cda8924f546619d26eb70ae131b803fbb4f5e49fa56b114ba4ef202280 |
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