MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting it functions as a link farm. The primary goal appears to be directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16136e5b79a310---68349963491.pdf In PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090203380273499.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1c0741099---57560897126.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1630643110.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/gapawo.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/wuluvaporifun.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613865b84ee7b---70245922990.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/jatedibopowovuwob.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff71884421---kafimapebazabuwixibifo.pdfIn PDF document text
- https://sambelteri.com/contents/files/varutewajibukoduvin.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/24479340143.pdfIn PDF document text
- https://rrr71.ru/upload_picture/kunujibinalew.pdfIn PDF document text
- http://madinaboys.com/easydo%20v2.00/files/uploads/70720959029.pdfIn PDF document text
- http://www.workbythai.com/admin/assets/images/kuzunewivuviti.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/75233155260.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/sadoxekibozetosa.pdfIn PDF document text
- http://studiolegalebisantis.it/userfiles/files/76784402618.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/96424455536.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14336256318.pdfIn PDF document text
- https://fu-ko-property-agency.com/webroot/editor-uploads/files/pebexarela.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/wifedaxijawakizozajifi.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/muxatit.pdfIn PDF document text
- http://nomayaku.com/userfiles/file/98095736151.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=positive+words+that+start+with+z+to+describe+a+personPDF 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_off0000ce7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE690 | 17676 bytes |
SHA-256: eb9f2ec44b2b6abee5baa325b60f870519314bbb79714f58f59655d9693ca841 |
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font_02_sfnt_off00011386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11386 | 10916 bytes |
SHA-256: 4df4460f1c235fd0dbabff2dc8dd69f6e494984381d0775facd245a6c140bf49 |
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