MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous heuristics identified it as a PDF link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the nature of the heuristics strongly indicate a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://irlanc.ru/uplcv?utm_term=mod+apk+dr+driving+4 PDF link annotation
- https://boucherienabli.com/uploads/FCK_files/file/namozujusedeboseba.pdfIn PDF document text
- https://speculatio.in/ci/userfiles/files/kevivegukonetepekeduroz.pdfIn PDF document text
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/66141945273.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/suvajalozibujike.pdfIn PDF document text
- https://ibextrail.com/editor-images/wuwetogojusurub.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161347d48b55fd---24798781005.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/sixosonoxisavefuf.pdfIn PDF document text
- http://61kidsclub.com/userfiles/file/99898561629.pdfIn PDF document text
- http://alrabbancapital.com/file/files/zibolume.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/dimomekijopo.pdfIn PDF document text
- http://neza.cz/UserFiles/File/80550361153.pdfIn PDF document text
- http://bckbytow.naszbip.pl/img/upload/files/kopalasukadolusenagez.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323c1b106a8---pizupopepubukular.pdfIn PDF document text
- https://aneri12.eu/res/file/ditekimakeperajulu.pdfIn PDF document text
- http://wx-test.com/upload/ckimg/files/202109110502095363.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/99647373365.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2a3b2f76978020375443f71b71b92069/faxugaponedusaxomiz.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///23379052095.pdfIn PDF document text
- http://uralinteh.com/uploads/files/96090548769.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/31276415549.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/kepuzunidelidozapaxumuxed.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/daxoniseviketanod.pdfIn PDF document text
- https://samirkumarpaul.com/ckfinder/userfiles/files/38237050471.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_off0000d848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD848 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f05a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05A | 18764 bytes |
SHA-256: 1b3ea271a1162a8b62a0d64106ee682b66307ac3cbaec8db9e3009a7558e0764 |
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font_02_sfnt_off000120f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F6 | 10352 bytes |
SHA-256: ef41189bde0c7c3a1601acad99ea753bcdf95f04f31c46fcb5672beb02984e39 |
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