MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content or phish users. The document body is unreadable, but the presence of external URIs and link farm indicators strongly points to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://muszempilla.com/files/file/61008742633.pdf In PDF document text
- https://migger.dk/userimages/file/26559031634.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3739a1032---48506435016.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161379ef88e9a5---jikefalesajawamalavala.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/228b81fee90d74b5a5d29003b34d47a5/3771843217.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/nc61ba0msrds5ln7ne1rm5iua1/litiremavepevax.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/mugosa.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161438c1a65396---26144701572.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-12/20210912083415262108.pdfIn PDF document text
- http://nature-revive.org/files/file/4615650129.pdfIn PDF document text
- http://cancunday.com/travela/img/files/nemegoribidokuro.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/83582677214.pdfIn PDF document text
- http://sambometal.com/dataroom/file/jiluburaluvovumofufadas.pdfIn PDF document text
- http://cargologicru.com/sadm_files/71929442017.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/41760003498.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/71491427789.pdfIn PDF document text
- https://flardochform.se/userfiles/file/xatov.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/gatazamo.pdfIn PDF document text
- https://anfauglir.com/images/file/siwuloxom.pdfIn PDF document text
- https://eventaipei.com/upload/files/labezup.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/kilusunumaneroku.pdfIn PDF document text
- http://topoint.net/userfiles/fckFile/20210902192855.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/mejewasidefe.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613de465e6d90---90259046146.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=me+before+you+full+moviePDF 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_off000105d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D2 | 10256 bytes |
SHA-256: 5304b3cf8ea5baf404855e0530e798cf1ae262f7dcfee812fb071bed9e40c22b |
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font_01_sfnt_off00011ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE2 | 17228 bytes |
SHA-256: e6c986e96a8fc8102f7e4790a00e0074dc20db409bcdea436f7ef0db97b42ffb |
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font_02_sfnt_off00014993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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