MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded URLs that function as a link farm, directing users to potentially malicious websites. Heuristics indicate these links are hosted on disposable domains and compromised CMS uploads, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://philabc.ru/uplcv?utm_term=mod+menu+apk+call+of+duty+mobile PDF link annotation
- http://full814.com/upload/files/38303051424.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/41043709124.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/72134017102.pdfIn PDF document text
- http://icbiz.ru/userfiles/file/pesufusumikugamop.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/78090691247.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/68279468294.pdfIn PDF document text
- http://debeleven.net/UserFiles/File/30795984738.pdfIn PDF document text
- http://teewer.mn/ckfinder/userfiles/files/34987729883.pdfIn PDF document text
- https://almavilag.hu/files/files/lojujotiwexemosimabo.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210908115443412.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/degefexunurun.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/44639517904.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/41641993596.pdfIn PDF document text
- http://bmfjhjk.friend-match.com/upload/files/18956001461.pdfIn PDF document text
- https://afmiletisim.com/resimler/files/loxidolajifujewasix.pdfIn PDF document text
- https://ctcitsupport.com/media/files/zegovukajizavezut.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/84705024101.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/42844132766.pdfIn PDF document text
- https://toyotaautobody.com/ckfinder/userfiles/files/pikedutaduzotiberava.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f6be19a7f---16848807954.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee77b31f6f---82836535750.pdfIn PDF document text
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kusutirogunujanafasisadik.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/ab2000d6ee172092935afdcca1d7a82f/92679957115.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_off0000d633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD633 | 18544 bytes |
SHA-256: a785565ac76fdb353aede2f36be61bd0a34305b19c7022a091b9096729320228 |
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font_01_sfnt_off00010604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10604 | 10952 bytes |
SHA-256: 9b832fd3ab55623595e288816e9474af002d76a55f2d794cd53c57c28605c91b |
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font_02_sfnt_off00011f2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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