MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links pointing to websites hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The authoring application 'wkhtmltopdf' is unusual for a malicious document, but the overall structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/066de7453d51853fdfe6bc607e24fe7d/sejigebosimomikudevirixiz.pdf In PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16075415d2c63e---21916940972.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/lurozeselulomemigomek.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/luvewi.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/baf3bafc5479c8886eb6a77c7e7bdf66/71388636522.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/a47obh2u9oqnrm35d6ktobvmee/63365515923.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/22451525130.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/sudoruxa.pdfIn PDF document text
- http://bi-acaovo.com/upload/files/moruloletegaxadojixofeto.pdfIn PDF document text
- https://cristalensi.com/public/File/nijojebom.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/a10e9e50690b728a0ae814bba69dc270/barudekobageruzedeleditas.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/nanisirulomokonofuriwugo.pdfIn PDF document text
- http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/54431891842.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1cdbbd188---23577636907.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/gumakexinokafiki.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee7ca1ba1c---67856711209.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ed57047904---56004507224.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/n17s3fss06g2i72r2tfmvqgjk3/sozuvuvejidonugez.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7a0a5dbf0---xegositiveba.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/f750db46fa88b86ee283ce0e34bd4fcf/sibarikubilozika.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/fbd3f897b3e660482a2e1560d46fb58d/39022756366.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1610d4b22d88da---17908768676.pdfIn PDF document text
- http://samurairamenbar.com/uploads/files/wetagegojunatidewilegibo.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/84141315756.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/584d93956f307930a056c29268522f0b/2906861233.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=which+of+the+following+is+not+reason+why+the+renaissance+began+in+italyPDF 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_off0000daeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FD | 17120 bytes |
SHA-256: f983dba855465a7167e078751ab6e7ade051a3d91e79f09a25ae7c935199f299 |
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font_02_sfnt_off00011f41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F41 | 10948 bytes |
SHA-256: 173c20bc0e6595168a26b1f1a5c8e3fb02bfb9167973e0c3eebb5b912d79ee9a |
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