MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous heuristics point to the file being a link farm, with many URLs hosted on disposable or compromised domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm characteristics strongly supports the attack pattern.
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://chcial.ru/uplcv?utm_term=best+fm+radio+app+for+android+india PDF link annotation
- http://thepokewave.com/uploads/files/83415074680.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16137e5e2b3b04---41802312019.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/xijagakusow.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/nomubovavitewojujetomi.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/58444444815.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/zapubepotosegazavenojapo.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/88502752621.pdfIn PDF document text
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/mulomumigikigufenizofixo.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/kokodib.pdfIn PDF document text
- http://wsospice.org/uploads/userfiles/file/file/85669978885.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/30724600758.pdfIn PDF document text
- http://craftland.de/res/wysiwyg/file/88546669269.pdfIn PDF document text
- https://jmtours.co/aym_image/files/85702232202.pdfIn PDF document text
- http://movediary.com/userfiles/file/68018435336.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/fasuwusamu.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/be7ff2dd54473c7eb31af51984e5428d/12256100926.pdfIn PDF document text
- https://cakesandcupcakes.net/userfiles/files/wizik.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/93785763451.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613984816be77---temozipipuxim.pdfIn PDF document text
- http://solarwindependence.com/ckfinder/userfiles/files/lulotiw.pdfIn PDF document text
- http://habitat3.eu/userfiles/files/69736888900.pdfIn PDF document text
- https://calson.garment-pro.com/ckfinder/userfiles/files/ripawuletozolapupufosufe.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_off0000dad4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EB | 10664 bytes |
SHA-256: 226c268a010a6713307996053b880de4e62533eeccf7e80c54f1f18a46dd2e98 |
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font_02_sfnt_off00010b54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B54 | 17636 bytes |
SHA-256: 959113381d864c97bb63f79b21856acb7a9ca859447c5bedf36d13d9559e20e0 |
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