MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution campaign.
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://queure.ru/uplcv?utm_term=redmi+note+8+or+note+9+which+is+better PDF link annotation
- https://cemb.ca/upload/editor/file/46162338450.pdfIn PDF document text
- http://headrepublic.pl/images/files/78092936292.pdfIn PDF document text
- http://agilesolutions.in/uploads/fofugadoxobalilikezavimi.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/65046644427.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142b993b9721---gilitiwofetomifonusasexu.pdfIn PDF document text
- http://popeyebio.com/upload/files/mopoko.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/161402c49a8f31---725845249.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613c94a7d4232---bozabasuwow.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/riwofazupavelunupesa.pdfIn PDF document text
- http://theponghop.com/upload/files/20689631786.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/18229150626.pdfIn PDF document text
- http://kammatrans.com/userfiles/files/81823310932.pdfIn PDF document text
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/tegiwilijeserel.pdfIn PDF document text
- http://geofer.eu/userfiles/files/41991759980.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/venetopizut.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/73561962530.pdfIn PDF document text
- http://esistore.lu/userfiles/file/bakoluzamajuzuw.pdfIn PDF document text
- http://marymo.ru/uploads/files/metetuzorarosud.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/66340373382.pdfIn PDF document text
- http://slesnick.net/userfiles/files/72766481032.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/m9mn105f034e9jgrovddsjq05a/38951587568.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/vinofemizamojemazaxozutir.pdfIn PDF document text
- http://gapp.fr/medias/files/71055512454.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/46400383042.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_off0000df74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF786 | 20432 bytes |
SHA-256: 6d37b8457c0e4cfb3e5bd294185918d251b37049be4c9eb036944f0af93734a4 |
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font_02_sfnt_off00012d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D44 | 11076 bytes |
SHA-256: 93eee3d6bf46453270e3c03a64aa3f5f6c4d060667aec067e2e7c85464a70dbe |
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