MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, with several pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The PDF's structure and the presence of multiple external URLs strongly suggest it is used as a lure to direct users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://mmszke.hu/files/file/fuwuniv.pdf In PDF document text
- http://xtra360.net/campannas/file/41782766741.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6cd9b52d1---21433908994.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/88114119840.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/814570e20a5f9967bf84fa0012748c7e/gusos.pdfIn PDF document text
- http://madmojo.com/fckupload/file/11129868657.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/fuzojubenonugaganejib.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/mokuz.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/fanuluxejis.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcb7c66dbf---miremupaxez.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/faduruzapuporutajovol.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607452143d525---32890529964.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/xetupire.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/a4511bb038471b76b5ce0630ee8c1ea0/33486040804.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/refekosibikifotutaxoze.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c63578dd08d---mopuv.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609829e611bba---88952710728.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d2bc2b053e7---66920581625.pdfIn PDF document text
- http://fogathajtohirek.hu/fckfiles/file/16975236286.pdfIn PDF document text
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/50002621424.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607be929c2a45---wiregevi.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/13317015015.pdfIn PDF document text
- https://aspaeng.com/files/image/files/muxipe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=industrial+attachment+application+letter+sample+pdfPDF 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_off0000eaf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001030b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030B | 10936 bytes |
SHA-256: 9c5d4bfc390e7916192aa84731ce9ab9c885727d5c4e4bb18996e3dfa53ce8f0 |
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font_02_sfnt_off00011c24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C24 | 16136 bytes |
SHA-256: 6360dcaa3d5f9ebbd795724aa33e1a8c41d6af189a25a0a9f08ba954b4b582ec |
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