MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm with numerous URLs pointing to compromised WordPress sites and other disposable hosting, likely intended to lure users into clicking malicious links. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://madiran-cruduparadis.fr/ckfinder/userfiles/files/49898496180.pdf In PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/e70e8addd553fa0726ea66b5681c2371/toxawisilitojazomat.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/5fac18dfc1b07580056ef95a3eeb043d/xokepasifo.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/tuzazebitubovazomiwupitas.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/n6uv9f6l54mhm93ltokbusdaic/79425920615.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/dc9tnpf0veuu5k5r8bt9n5682o/wupibiweberebifapirewupum.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f639e57a84---konoligupadegeja.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608133ebad637---zijubezibaveraroxalewa.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/34029751406.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160829ec9a1234---33096582234.pdfIn PDF document text
- http://gelateriacool.it/userfiles/files/wazodoxetuzaridojigo.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/pitorabewujininalupoluk.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/netulapobuvowenexit.pdfIn PDF document text
- https://rubfila.in/files/file/wefefovifunomagurazabasi.pdfIn PDF document text
- https://petikdaun.com/contents//files/nozerodavuvapateso.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/d2dd220e390ffd9c76a8b24de38157a1/14280337355.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612b27e1bd95c---90032659193.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4e4ee33493ca6fedd39bdb95b43ee3fe/91046525465.pdfIn PDF document text
- http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/16851367030.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/juvamo.pdfIn PDF document text
- http://imssp.by/data/images/fxeditor/file/11549324675.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97b6f55b0e---51290294366.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/398842221fca4c586f6abd6b08b54b9b/bufituma.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1611f2f4fb06a6---meluxokesafu.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/retowuvepuriwideb.pdfIn PDF document text
- http://charivne.info/images/file/jogafazijex.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=mcdonald%27s+menu+printable+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_off0000ffad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAD | 17184 bytes |
SHA-256: 6ebc29f8f02627abbd35e4f42ef3900b208d1de660005caf35d88b8d7ec4bd74 |
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font_01_sfnt_off00012c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C70 | 11048 bytes |
SHA-256: 556dff184083badda579103b5520bf491e480348e44ce28068ce43c1d1042862 |
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font_02_sfnt_off000145f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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