MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or are hosted on disposable domains, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://canvangdientu.com/images/file/41016126717.pdf In PDF document text
- http://penzion.sarmo.cz/Images/file/womujurolojofi.pdfIn PDF document text
- http://brbud.pl/userfiles/file/rusubuwul.pdfIn PDF document text
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86725737073.pdfIn PDF document text
- https://keyseries.us/userfiles/file/pebefopazirakedafunep.pdfIn PDF document text
- http://parikshitconstruction.com/uploads/35908686414.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/59521860812.pdfIn PDF document text
- https://ferest.ro/imagini_ws/93790208844.pdfIn PDF document text
- http://feach.ie/images/uploads/file/bemagesate.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6683d0b76---16229247526.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161462b459f4cb---bamilegagejelivuzopewot.pdfIn PDF document text
- http://adasbruiloften.nl/userfiles/file/17602326352.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/nubamo.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132fcd16ee8e---dunufilaxikexonerefapa.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/xirikimafab.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/75097888738.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/66037565255.pdfIn PDF document text
- http://mobil-tech.com/files/83686260607.pdfIn PDF document text
- http://podushka.by/files/files/kupixibaxesusup.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/45337188166.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/biwukegixobolewedolezu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=watch+doctor+strangelove+online+freePDF 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_off0000aeb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB3 | 10816 bytes |
SHA-256: 3097fa45837a0adcd18d79253e3efc98079df838ecb9425ca679ae1ea18fcf1c |
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font_01_sfnt_off0000c770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC770 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF82 | 14840 bytes |
SHA-256: 4d365f2a191c9b5b5bc90a58d2c7250c7bdf5ed84fe88ba0b0c1503f08b6b824 |
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