MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity ML classifier and ClamAV detection. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's part of a phishing or malware distribution campaign. The presence of an external URI and a link farm indicates an attempt to redirect the user to a malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9873
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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079723911ada---widideruzixejopuso.pdf In PDF document text
- http://hiddenroots.org/clients/19739/File/nazuvusuvufugusesunigos.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/6fd4a4005d904ab5dcf07ffc15b6bf32/vimala.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16073bb557bd7a---23929786756.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/42611582734.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/80a2952d74128fda0605344e6e8ab45d/60363274873.pdfIn PDF document text
- http://arlingtonhigh1960.com/clients/881088/File/nefanosugofad.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/xejawejerodalalelifo.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/fafemufurab.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b76f83947---30971694388.pdfIn PDF document text
- http://archinfo.ru/uploads/file/14072140633.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f196d962e---tusata.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/335d931fb941450a028c487f67aa3b78/82915650888.pdfIn PDF document text
- http://happysmilecard.com/uploads/files/98091684937.pdfIn PDF document text
- https://justbuymeds.net/userfiles/file/66215074796.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e3aa5c9b5---85978229601.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/vafonup.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/jb8mi10iba34mmmcunjk5qcrcd/95580810457.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/14368467530.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/birizixiwukiwefu.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a2f0ddc59---15537330963.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/nevezamelupivoxaj.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/9397fa20fb5eb5b1cdf53b9443cdba7b/36708218502.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=keywatcher+touch+manualPDF 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_off00035f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x35F10 | 17048 bytes |
SHA-256: 53746ac81a3ecc01f9804d19e73ef3145978d9bcbb3cac9e0fe809c3186f68ae |
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font_01_sfnt_off00038bcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x38BCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0003a3e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3A3E4 | 10528 bytes |
SHA-256: 335155baedc88c4f674dfe4568ab2ce0078cb00421ee553968eac16788a5a6e7 |
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