MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading a malicious payload. The ClamAV detection and ML classifier strongly indicate malicious intent. The presence of embedded URLs and the nature of the link farm suggest an attempt to deliver a second-stage exploit or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9505db7a6---tarozudumoku.pdf In PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9ef80752f---16814119566.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078e132b94e8---14605749684.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/e231f1613f1c5c284126ca49c6dd7606/78960382581.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/6d1b7e767ccb5609ed5ae8a87b7b7090/dojopanupobawom.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a70d48c229c---23378717157.pdfIn PDF document text
- http://etenindex.nl/images/uploads/34842005610.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/gepazejoxutokak.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/8se9m7sb752a097c26kp52ita1/dabudolowukabip.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/2530458694.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/t038qb6r11b4oac7vatjptsalk/noxelebobegitilijujofuju.pdfIn PDF document text
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bcceb992d---wipesegixemezuzogenaborok.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16081b011ca4d8---neroj.pdfIn PDF document text
- http://malbreil.com/userfiles/file/rosobebarakasi.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/dg37oeotu1plmrunncq0uhetq6/sexiwibotovi.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077600584de4---renoretudivatuge.pdfIn PDF document text
- http://marthomaiticherukole.com/userfiles/file/xawaboleregabixes.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/77391124603.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/48748291149.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160864307ed610---84901258224.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/0c0b5c5f9b4faa1f0536a0a1e075af4f/zodufetonuduvux.pdfIn PDF document text
- https://tarzminder.com/resimler/files/96327385446.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/c429096f3ef7b57a60dca58f1bda82f4/4076068420.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=colt+ford+chicken+and+biscuits+lyricsPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AF | 17268 bytes |
SHA-256: a27864512606d49b692eaaeefe949dff1d0c940e69dec8b12a70234957771bc3 |
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font_01_sfnt_off000103eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EB | 11052 bytes |
SHA-256: aafb3cfbc9da3a9064643289484c7d710891ad8cabd47df94e7cadcac6d1a1de |
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font_02_sfnt_off00011da0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA0 | 16160 bytes |
SHA-256: 27fa49ca30b1f57c6e4f8b99ad1f73ead7010ce1f191e20d716503af09158f46 |
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font_03_sfnt_off00013319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13319 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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