MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious destinations. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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=my+wifi+qr+code+generator PDF link annotation
- http://anhuicrew.com/upload_fck/file/2021-9-12/20210912100003216508.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/62a23c0c60ad250fc92fd02d73b67165/lufiwolik.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/muvavepu.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/7a980b1951d712c2d21fc771e9ad4bb6/folerodapasape.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/28404051043.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/57819503764.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/80337314716.pdfIn PDF document text
- http://erfanekeshmiri.ir/userfiles/file/pavububodeb.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109261301154017.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/zenapulifesosizi.pdfIn PDF document text
- https://rh4-h1tapi-turbo.com/contents/files/gulizumudosumolan.pdfIn PDF document text
- http://tw-jia.com/uploads/files/202109131220263550.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/f6646ff800134cc5362a1671a9b66016/lojimek.pdfIn PDF document text
- http://ipceurope.eu/assets/file/gobiwetogifijosidizelo.pdfIn PDF document text
- http://atdawnwelift.com/userfiles/file/vuwoned.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/25457394077.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///bebeterunejozirozerewe.pdfIn PDF document text
- http://boschvietnam.vn/files/usersfiles/files/dumazebazopulugijel.pdfIn PDF document text
- https://greenways.at/userfiles/file/zonesuda.pdfIn PDF document text
- http://ficfart.org/userfiles/file/69227796405.pdfIn PDF document text
- http://dasbluemchen.com/1331383838.pdfIn PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/vepudi.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16147d6f54c145---kuvuxiv.pdfIn PDF document text
- https://salwangurugram.com/files/3872253593.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_off0000af84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF84 | 10776 bytes |
SHA-256: 685ef77868eaf72f3aa23f24980b83d08a66f817fb94b3627c3e4e465f462e5e |
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font_01_sfnt_off0000c802.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC802 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE014 | 15560 bytes |
SHA-256: 6143772eb2d3d7c0740de958402e4cdf20783f9140cd74a25bfa45d6fd742a31 |
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