MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to redirect users. Heuristics indicate the presence of a link farm on disposable hosting and compromised CMS upload storage, suggesting a malicious intent to lure users to potentially harmful sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the ML classifier's high confidence score point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://maraulsan.com/ckfinder/userfiles/files/42424707555.pdf In PDF document text
- http://kystar.net/filespath/files/20210911033116.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613226c5c69df---petagowoserofomatireg.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/55329893475.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/36180840437.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec7518d344---wudotelidodakuselijonam.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/91674854853.pdfIn PDF document text
- http://fitviewer.com/files/file/92801782474.pdfIn PDF document text
- https://fontaine-eva.fr/userfiles/files/gibum.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c9083e95c---kipalelune.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/57147503161.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/d3fe2ed52ee06a0eaa4b6c64a51661ab/pumorovafenaxavevigive.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/venimuradodanonakap.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/75420854248.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/vofixorukapuxa.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/gatisetetekudozeduravada.pdfIn PDF document text
- https://producedepot.us/userfiles/files/68103786066.pdfIn PDF document text
- http://pascalparrot.com/uploads/assets/file/veraletup.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/03c76e28dfcf37f3b6834f7eba0660ad/76102755393.pdfIn PDF document text
- http://omegapizza.net/uploads/files/nokefogo.pdfIn PDF document text
- http://colorsoftexas.com/ckfinder/userfiles/uploads/83181486527.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/27950312211.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87f360d07---redejik.pdfIn PDF document text
- http://muaah.ca/userfiles/files/xexogezatopupexuri.pdfIn PDF document text
- https://songiadahoaian.com/upload/ck/files/kijagejonopatub.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=free+among+us+online+pcPDF 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_off0000d1d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D4 | 17396 bytes |
SHA-256: 9f1b7ca4db57190b8adbfe64d760ec17fb9d7f184ff9ef5689545d25fe1969a6 |
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font_01_sfnt_off0000fe5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011675.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11675 | 10696 bytes |
SHA-256: 702d0b1a047cba0911e6ad5c8ccf2bad28d0f6687669c8331f12afd25ce6fd4b |
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