MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and link farms on disposable hosting points to a campaign designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://archism.ru/uplcv?utm_term=play+nes+games+online PDF link annotation
- http://automsystem.com/UploadFile/file/20210905102543946.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3cffbd309---38173929147.pdfIn PDF document text
- https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/30667837064.pdfIn PDF document text
- https://easresidence.ro/app/webroot/files/userfiles/files/ramolezesuluvozipanupodet.pdfIn PDF document text
- http://digjamaica.com/app/webroot/files/45977871881.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/41459642180.pdfIn PDF document text
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/14869757982.pdfIn PDF document text
- http://maytinhnangdong.com/files/uploads/editor/files/22963662201.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/wipujalopifigalo.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/11994378917.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/kuvuxasef.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329f5bc5dd8---wugaf.pdfIn PDF document text
- http://word.mn/uploads/assets/93652115750.pdfIn PDF document text
- https://valeaflorilor.ro/img/uploads/file/56545424268.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/19422152911.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143e93c636c9---47998199607.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139c1f56f3ed---35092330150.pdfIn PDF document text
- https://e-casainteligenta.ro/userfiles/file/duxojeveseva.pdfIn PDF document text
- https://krygina40.ru/UserFiles/File/tolezotifamarizutenezide.pdfIn PDF document text
- https://gedayapi.com/userfiles/file/41633127092.pdfIn PDF document text
- http://tiszaladany.hu/upload/file/kerufojedufepufevapuzus.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d1845ea6c---72369438738.pdfIn PDF document text
- https://mmoxx.mn/userfiles/files/31970852187.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_off0000d9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E9 | 18056 bytes |
SHA-256: 80d5e87339ad34ff3796ed82decee38d58ae67e0f802711f090c4465104dfda6 |
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font_02_sfnt_off00012161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12161 | 10368 bytes |
SHA-256: 2e283b3f579d4dd941eff7dcd8d7d98382e1744a016c9d09b8c97ea65e23f58c |
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