MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm. Notably, some links point to compromised WordPress upload storage, suggesting a tactic to host malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
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 http://valsadindustries.com/userfiles/file/panasegevebexelusa.pdf In PDF document text
- http://divorcefinance.nl/uploads//file/fetuzetikebiduvudaxonimif.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/5804270814.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/vajixaduk.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b704b882f8d---9362516218.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c99f58d214---xanezelafejawoni.pdfIn PDF document text
- http://china-zzld.com/uploadfile/file///2021060323332818.pdfIn PDF document text
- https://phongkhamtamthan.net/uploadeditor/files/41890614043.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/s71aasui9n3ugfhf20l4gjlu24/20761975041.pdfIn PDF document text
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/62ab62054717b703aaf8c72a9d286e5b/10985132719.pdfIn PDF document text
- http://plnjl.com/userfiles/files/40070995829.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/7f17813b673ccfa19d2df2610de0ddef/vumejobisamar.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/visegilipemarutus.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611867970ba47---gamupukawisirulaxuderape.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/files/60175138833.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/71764739957.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/91006637914.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8256c0301---venoturuvuminejejepovaj.pdfIn PDF document text
- http://mxagproducts.com/upload/browse/file/48316802033.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57970890b3---jutukidakigadoluvopisemo.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021061011083097.pdfIn PDF document text
- http://laweasy.kr/userfiles/file/10494938158.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/tabemizoviro.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=rosemount+3051+transmitter+manualPDF 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_off0000e040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE040 | 10896 bytes |
SHA-256: 5e088c7edb8cc0e7edcc46585ccfc034d6dac93534be2a15c0a34c852f6c321e |
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font_01_sfnt_off0000f984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF984 | 18012 bytes |
SHA-256: 4d82cd0d0f63453fe318998a91a0f96ca749d3bf7c814711b527dd88000d0434 |
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font_02_sfnt_off000128e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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