MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://catequesisnavarra.org/guiarte_userfiles/files/68443632175.pdf In PDF document text
- http://nscenter.cn/upload/files/dezamo.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f58e155979---sokimuvolunilovo.pdfIn PDF document text
- http://domusanna.it/userfiles/files/punurinewositedare.pdfIn PDF document text
- http://biaikatolikus.hu/files/file/zafepanil.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/19637547248.pdfIn PDF document text
- https://laurallo.com/ckfinder/userfiles/files/74751053653.pdfIn PDF document text
- https://mimpidia.com/contents/files/lovabowupodenu.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/newilurirolafukupupaduza.pdfIn PDF document text
- http://www.hzkontejnery.cz/ckfinder/userfiles/files/zuwur.pdfIn PDF document text
- http://godsownproperties.com/userfiles/file/bejimugupujibefanibewit.pdfIn PDF document text
- http://119pump.net/d/files/15261140936.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/89944641190.pdfIn PDF document text
- http://aromacosmetics.bg/assets/userfiles/file/11897063383.pdfIn PDF document text
- http://stfurnimart.com/file_media/file_image/file/89946138073.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/d824b0081d9106c0eaf5a1dfddeb6728/77946387589.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/zabikoxumadataremuferexa.pdfIn PDF document text
- http://shanghaicruiseparty.com/uploads/file/56599721411.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/gcmplmtum7qfpuqd5i2l3r0mp1/82320088224.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615bed9742518---pevulaluwezodomuvilipa.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/sarekiwixami.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/55696751092.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/noxedesofolonoxol.pdfIn PDF document text
- http://hasadtemizlik.com/upload/file/zenevugatujekikapigef.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=nausea+for+daysPDF 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_off0000e34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE34A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5C | 19052 bytes |
SHA-256: 63b6894dfb72fd4776524e04073b120b7bde90ba2428a7e767fc25814bea4222 |
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font_02_sfnt_off00012d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D45 | 10200 bytes |
SHA-256: bd0f5b880f0752190efafd8d0d1d0d44001cfd83790175e25a12b1a9f59753a3 |
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