MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lead users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9962
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://queure.ru/uplcv?utm_term=body+temperature+check+app+for+android PDF link annotation
- http://osteriadelcampanile.com/userfiles/files/wefopepapujado.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/titunox.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/dokatusomitedin.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614137e1c751d---30382373057.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/woselewije.pdfIn PDF document text
- http://hzeiger.com/userfiles/file/xadikirulim.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/5290103565.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/74125362725.pdfIn PDF document text
- http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/renizevezivikuzisozirezoj.pdfIn PDF document text
- http://vipnjl.com/userfiles/files/58025783980.pdfIn PDF document text
- http://cke.hk/userfiles/xumulorofipub.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/zuvedubirujidigugatas.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408e81b4d60---49464721692.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/dujipevugixeke.pdfIn PDF document text
- https://badoza.net/userfiles/file/85270191633.pdfIn PDF document text
- http://nilesk.com/userfiles/file/mukegovekekopudemabizora.pdfIn PDF document text
- https://avela.md/userfiles/file/67059274169.pdfIn PDF document text
- https://dm288.rs/slicice/file/32984844025.pdfIn PDF document text
- http://sinostandards.net/upload/files/80640589768.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/b36d1d6f6be9224cb3c58c905192482b/fumituzukuzunuku.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/55438690103.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d047b4d23f---75441367172.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_off0000adfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADFC | 16452 bytes |
SHA-256: cb86544604519090a0e04bb933a6a6e585e24040f6d7e0d48e23283a89af2383 |
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font_01_sfnt_off0000d7d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEE | 11028 bytes |
SHA-256: 9ece618e52359b6a560e831ff54961ffdbea836545b99665974d85e92d2cee75 |
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