MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links are likely intended to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/4880db8b7e347e3ccb15847635e25907/73849145417.pdf In PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/4a18e09f1e3954c62ebf36795711f899/69227777067.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d3c3279df11864ec243396a6db95ecbe/pufisaxuk.pdfIn PDF document text
- https://kvkumariajnkvv.org/singhania/downloads/file/78813944146.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7b9e63ac6---31612602552.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a012de5285---posoxokipilefojikuma.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/8636f43360deed0d2b90302a12a14671/kekuxowufitagonutowewi.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/50162303905.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/amaihf8taiqbi077aupgte5ak0/66284246693.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/18215386031.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/jopupinuridujisanom.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ca00c099b58---pozaravolonasimavutemat.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609022342a696---kitiwoxugenokofilig.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/veburoxof.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d7fe98d840762468d8abac48846717a5/veroniwemile.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/b809fb2bf1d85f7cfb537c063b336bc7/76232854740.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/791471a78f9251a029ff467df0242b08/99551164828.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///fiburuvukowoz.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9af35cbc6---61120687425.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/f4047b76ff1150c9f885154821c6e9d0/vawipojok.pdfIn PDF document text
- http://france-ex.com/images/blog//file/50118648921.pdfIn PDF document text
- http://chinoboxingclub.com/clients/36032/File/17993348970.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16071b69b2d87d---kowovog.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/kapededojimozaruduvozut.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/r10gnh2pvdq86posdcghs1j1nj/fusozudotoxupuveveraji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=demur+meaning+in+englishPDF 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_off0000ecf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF9 | 18384 bytes |
SHA-256: 40a00944bff74c8738d0b5ea854ce37bae6078c4cb6f37ce135e187801e23af5 |
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font_01_sfnt_off00011c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C78 | 10440 bytes |
SHA-256: 29f9633907299d233cfc224acfeafb52007d4b7f1b97c05a258204fb95c4c1be |
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font_02_sfnt_off000133d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00014be2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BE2 | 2204 bytes |
SHA-256: 84cb2444e7bb3d5a1a4624dabe551f7504f6a2e77e17b5611d5b1203049f4343 |
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