MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. Heuristics indicate it functions as a link farm, pointing to multiple compromised WordPress sites and disposable hosting domains. The embedded URLs suggest a lure, potentially for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/548beac9c0681f548e38cb28f2de9cea/16529150640.pdf In PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/nasanazuxegusobamimalox.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/8858365054.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/rerofamafilamirodaru.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e510af3555---dapojama.pdfIn PDF document text
- https://jagamimpi.info/contents//files/falokusikegupig.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/9836644881.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608a64e3975df---fodopeketigilufibe.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf84aa773d---33158285334.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/80138354088.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/10226981125.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/kuturifanifosugom.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/34935778804.pdfIn PDF document text
- http://xnkvinatimex.com/uploads/files/bijufigukiralolobukofabe.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/zusofew.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160833bc90df88---buwutuzedovisuvu.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/jezivij.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f18c18c0f0---24921242615.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/52031397906.pdfIn PDF document text
- http://xfswchem.com/upload/files/61954690122.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/ledajesu.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/8bc009b16223d2ab38da10c56ec5d4eb/dizabuvuzuretemudavufid.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=super+mario+64+para+android+apkPDF 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_off0000d2cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2CB | 17424 bytes |
SHA-256: 7caa604f6fd1490f918f181991302c9ddb0b6eb29ac1210e8e2cbe702da74404 |
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font_01_sfnt_off00010098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10098 | 10756 bytes |
SHA-256: b367dc783a08d02843a6f3aa76eb8373ec280616ae407e92d6e2ad337a9d4326 |
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font_02_sfnt_off00011952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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