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 functions as a link farm, containing numerous embedded URLs pointing to compromised WordPress sites and other domains, likely serving as a distribution point for phishing or malware. The presence of multiple external URIs and link farm heuristics strongly suggests this document is part of a campaign to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/110ff6d14e0bedf8e5cd750255149750/bukadidunirutegi.pdf In PDF document text
- https://deltagroup.bg/uploads/file/jumulebenukiwir.pdfIn PDF document text
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/943735efc7e91147335b286888cc9094/78044641564.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c313bd5344d---varukokoxu.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/0a59f7729a52bc98cf588a95b44e1a66/64336985774.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c732906ec6a---mibajomofiwigodopijotu.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/12618980675.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/6f345e650012d2630164c405fb37fdcd/lixabavewejubix.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/950dab9f57a58e5048646fa16d3690e4/zilewipetozawal.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/zejorolapegejot.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607008be1aee5---tatezulikidimo.pdfIn PDF document text
- https://west-holding.com/userfiles/file/74356481826.pdfIn PDF document text
- https://jobtiara.com/files/files/80334638938.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/47308eb62e9a0c0726647e7bfc4207e6/kopoj.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/03d0031b321f4e447ebb6e1f64aeee28/bimusipowik.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a886576334---33204717628.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f522ce9753---jukozurujolamuvegakapemul.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/qp2so55t29vso6knn9gtig68ro/54970645959.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfa99541e3---lebipebixobuvofavofokup.pdfIn PDF document text
- https://actorconseil.com/files/file/7508382405.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160842e8c85cc8---89031738795.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/815207q385pc3n71ls0djc2o2k/88362843522.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b084b66d4f7---minopuxelajuremafu.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4f1730957a58ac7a13783f95fb1410d1/53199106925.pdfIn PDF document text
- https://dodomacnosti.net/data/file/ruzedalinesejituviwomazog.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=yemi+alade+baby+me+and+youPDF 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_off0000cba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA8 | 17740 bytes |
SHA-256: 259ff7f6f4815db66ef5c28b14862d91f86d2bceaf37cb076f5738e03b54bc86 |
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font_01_sfnt_off0000f902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF902 | 10380 bytes |
SHA-256: 3228a06fbbe9da7a71b13c73794d86460c7b7fa72981bc9969ead30c1a4bf412 |
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font_02_sfnt_off00011057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11057 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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