MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The heuristics indicate it functions as a link farm, likely to redirect users to malicious content.
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 https://pistant.ru/uplcv?utm_term=the+most+dangerous+game+reading+guide+and+analysis+answers PDF link annotation
- http://mynigaoe.com/upload/file/20210917045109.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/40471538157.pdfIn PDF document text
- http://epicridesnepal.com/files/rowipufazowawibane.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/89492114400.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109180549337843.pdfIn PDF document text
- https://mihalex.by/files/files/82308416649.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/rizigujudubonororamez.pdfIn PDF document text
- http://comlark.ru/userfiles/files/40359870558.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/nusumopadamasixunife.pdfIn PDF document text
- https://bruceautoservice.com/files/file/fikoxutal.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/sijorukajukavid.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/jelolonugoxiberigudop.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c974ae9df1---84539027442.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ef47c75129b299bc0b8873ad8cf4e997/lidotewufep.pdfIn PDF document text
- http://lamorenj.com/userfiles/file/xuwudipuvevidogez.pdfIn PDF document text
- http://js-space.de/userfiles/file/buxodar.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/paniwovimazelugar.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/5703591365.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/faladosesabakokokudufalo.pdfIn PDF document text
- https://domilot.com/uploader/files/60564073619.pdfIn PDF document text
- https://aspirecambodia-edu.org/userfiles/file/13720542439.pdfIn PDF document text
- http://mpu-beratung-brendle.de/userfiles/file/xusadaturuwejedolu.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210927_C6F68B107B39EA1E.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/33160839336.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/85455273573.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_off0000f911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF911 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11128 | 10956 bytes |
SHA-256: 55a8fceee91598ea8f091eaf03914e50ee2ca8f86faa8236a7e8cfbda2e9fdac |
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font_02_sfnt_off00012a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3C | 21048 bytes |
SHA-256: 59722fda2652d9f2dde1a6ef1544878d0dead9929b12528714d923d0050fab3c |
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