MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. 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 to malicious content. The document body is unreadable, but the heuristic firings strongly suggest a malicious intent to exploit users via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cargotavio.ru/files/file/musisi.pdf In PDF document text
- http://romangruszecki.com/uploaded/file/89426957079.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/42332848687.pdfIn PDF document text
- http://www.salac.cz/ckfinder/userfiles/files/sezelewejokupegixefujavaz.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c883ac747eb46678d81a11f0f06959dd/1042770209.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/9550503923.pdfIn PDF document text
- http://manegedebuitenwijck.nl/uploads/file/zorikudurep.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/161430e32943b3---60459109362.pdfIn PDF document text
- https://sieseam.org/userfiles/files/juvugizi.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__613D01DFCC730.pdfIn PDF document text
- https://ozora.schaffsen.com/contents/file/kepadutuj.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/bubumadiritemilenezifas.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/55940517479.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/46759711769.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/tedebekovevinub.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bfaf43f9e---pemabomidomuxu.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/f8a883b6ea8cc7362efe391d27022b4f/6724001144.pdfIn PDF document text
- http://worldplastsolution.com/ckfinder/userfiles/files/wesenevalubunalek.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/84551510698.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210909_74CB4E5F76D92C0C.pdfIn PDF document text
- http://naturenhuman.com/app/webroot/userfiles/file/wopiwoworumogibi.pdfIn PDF document text
- https://mumegram.com/userfiles/file/2980434898.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/dijipurejoxijepamogo.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d6adc63b6f3869c1c725d88dfd86cc7c/67181351642.pdfIn PDF document text
- http://atanasijornet.net/uploads/ckfinder/files/xetivifiletozoxedukorimal.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=editing+app+inshotPDF link annotation
- 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_off0000f989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF989 | 17512 bytes |
SHA-256: 15f82416bf5a02c1fabd7d1dd9fe57b2d0dd13c6b3903d7404c2addb49b5eff1 |
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font_01_sfnt_off000126f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F0F | 10376 bytes |
SHA-256: b3ff3ff03991cef135090ae189ab94cce50aa43bec5fe38888cf2f534faaddc0 |
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