MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external resources, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a URL with 'driver+brother+dcp-t500w+download' in its query string strongly indicates a lure for downloading potentially malicious software disguised as a legitimate driver. ClamAV detection and ML classification confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://remont-elektro.eu/archiv/file/mobiwagavi.pdf In PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb946523104---80347090109.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611414217a804---47620808213.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bd96b801d71---sedobosovigawu.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/galirenoluxarotaxa.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087f7c9d3f4e---wediridova.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/70d926d9a759893e9d9d12a6fe08f20b/ponuvivobig.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eda43315237---22802056677.pdfIn PDF document text
- http://tataservice.it/userfiles/file/vogotosari.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/84815989342.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/55827497481.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/avj0ptfa6fcdm9f4tm031kg55k/3558724141.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f39e4a5fe---24647981159.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a177927dcb6---debesolawe.pdfIn PDF document text
- https://campermagazine.tv/public/file/fixagurepibez.pdfIn PDF document text
- http://liccuza.ro/stiri_files/file/51398112962.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16115cff555be3---49441550776.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/wenezaruxegilivufariwam.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16071144946adf---migijokomimadijolorur.pdfIn PDF document text
- https://appvid.eus/userfiles/files/japexibunazimagufunalare.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d84602fb5---45909849906.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/wokanosavevifemotawulu.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d639e53f4f0---regijudejupenuj.pdfIn PDF document text
- http://ucity69.com/clients/861769/File/wijipawabopulijip.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/xumomanedusimekixe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=driver+brother+dcp-t500w+downloadPDF 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_off0000ec9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9D | 11024 bytes |
SHA-256: 1ef3020bc112f0cb36686cc8a88e8c6b8640910c36cb589e256e45f542503f7b |
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font_01_sfnt_off00010610.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10610 | 16244 bytes |
SHA-256: 7f134a4be9478173ef515d8c78fc04bc608d2e73fdac809629c4f227444c09ef |
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font_02_sfnt_off00013033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13033 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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