MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress uploads and other disposable hosting sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URI heuristics and link farm indicators strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://allytemp.ru/uplcv?utm_term=%C3%A1cido+f%C3%B3lico+tomar+quantas+vezes+ao+dia PDF link annotation
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/56orkqtalaqi7ogc201ec2nmk1/12486066851.pdfIn PDF document text
- https://hgb.se/filer/file/32285358404.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c71bc63dab9---34967585130.pdfIn PDF document text
- https://mmszke.hu/files/file/sugiviloxeb.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/b9c13481080a82db1cd85d11a5e6c743/8996713812.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/pidus.pdfIn PDF document text
- http://broadmoor80.com/clients/866172/File/bozizavodenabunukavab.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/19280334066.pdfIn PDF document text
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/79158603094.pdfIn PDF document text
- https://liderpin.com/calisma2/files/uploads/rafekilarekupus.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/acd07694af2e349ccc4b0c90fa83e013/gufivovexowibokatupu.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/c457b4838de6cded5295b6e14d11bdb2/82051021569.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/69588ea6eb2353e9477155885462c53e/4617924160.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/5000284768.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2b7d8187---30015859725.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f6580cda776---30188424451.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70186a5cc5---38417341165.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/15761722183.pdfIn PDF document text
- http://capmar.eu/userfiles/file/74378091644.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/93045408694.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3bd38825a---59045568946.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/04246sjk4uupmikblgbpi5erp4/31548809889.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/s09h6eis6reiskcqed0epr5nh3/49785048531.pdfIn PDF document text
- https://limblength-sldf.com/userfiles/file/zolenuwejox.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_off00016947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16947 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18159 | 20532 bytes |
SHA-256: 6adfc1241a99ee1561705a789f7a2bd3f207cf721948e15a4b57e8d8ce9463fc |
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font_02_sfnt_off0001b41b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B41B | 11148 bytes |
SHA-256: 0c8b35d0d634602f0850829c30f27296496eb7ae2980416b69004c8cea9fd285 |
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