MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://landroverbh.com/ckfinder/userfiles/files/wilugunizeloletuxaluros.pdf In PDF document text
- https://heatingboiler.ca/fck_upload/file/xafoke.pdfIn PDF document text
- https://securitydm.com/slicice/file/33122394221.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8fc1ec45e---dewabopewolirojoxila.pdfIn PDF document text
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/8353361e3e9b40933f69e4d002158e29/65630834071.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/45392547547.pdfIn PDF document text
- http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/gojini.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/dfp3iebhpkvjkplncgfbp1sd07/bixob.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1088f700fb---26839881347.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104cbb0679bb---21710691103.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/files/files/mukoronerorekubefak.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/18575314659.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f603855cea44c394e5893f07cca241e2/japigavar.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/xazomo.pdfIn PDF document text
- https://vntdc.com/upload/fck/file/vipajigowulubigot.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6452e8369---kilelanotaboxofavetupi.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/0072b0caab893211f51a450939cdb03f/segevo.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988fa6d3cbf---mafewizunosesupox.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/11322582143.pdfIn PDF document text
- http://safarang.com/basefile/files/23741251657.pdfIn PDF document text
- http://td-mg.ru/uploads/files/rabigedulelusosawokeliso.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/6d862abd024c97eaa06d5d0c7818b8ac/22595770425.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/2564h5mm4retpuus2o4vr73k6b/motuxomarojorakakube.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124d22f0a094---21094046307.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f7c3eaa17---guxel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=7+sections+of+the+library+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_off0000b61e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB61E | 13660 bytes |
SHA-256: 4f520d7556682e70e7d07bab8f28aa87b9005173880ea93e84ef76f3dad5113d |
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font_01_sfnt_off0000d7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDA | 10924 bytes |
SHA-256: cbf6f5e5b5df60be465eddf1e81534298700e5b8865d0fd0aa05c120e5197121 |
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