MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous external URIs and link farms pointing to potentially compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the overall structure indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://crewmak.ru/uplcv?utm_term=email+account+toevoegen+android
- http://gibisch.com/files/files/xalegatexe.pdf
- http://teknis.it/userfiles/files/tewimivipisoragabozemive.pdf
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/rabafinesikomirebogulup.pdf
- http://pzhjintai.com/upload/files/74253451813.pdf
- http://maternites-catholiques.org/ressource/site-image/files/fivitudowuzopamakuxa.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/4kmbnfolfd2ukqvbfrdb4iggcq/83540358487.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408f82f12a3---70769144069.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/b1e3283e2c04060fb58918df01ba94bc/ninokowo.pdf
- http://shinaval.ru/userfiles/file/popifusesa.pdf
- http://siciny.eu/userfiles/file/13514972798.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/64735786003.pdf
- https://cissud.com/uploads/ck_editor/files/57585293879.pdf
- http://dubilex.com/userfiles/files/gofulakejibexizoje.pdf
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/dorekusamiki.pdf
- https://netlandschool.cl/files/buroziruvesevasezaxorup.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f101ea1e0f---9401478382.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c10f60ce8---66212714134.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135da6ed316a---8314964402.pdf
- http://aci-immobilier-douai.fr/userfiles/files/wugonizubufudid.pdf
- http://hanahana.vn/media/ftp/file/84056746972.pdf
- http://szolnokepul.hu/userfiles/file/94969859760.pdf
- http://botaierpharm.com/upload/files/10716205655.pdf
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/kenazuzikov.pdf
- http://www.sana-anong.com/ckeditor/ckfinder/userfiles2/files/58931897108.pdf
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/1527930605.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e88c.bin8bc7556bad6d5d196d51b2ed916ca97dc15768d7b5145056ffba4191bd70b0e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88C | 10692 bytes |
font_01_sfnt_off000100d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D4 | 16792 bytes |
font_02_sfnt_off000118e6.bin4761bab98ddf07b4a0ad5400c44f19e62e39efb8d4cafc8a71c1a74c2f68db7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E6 | 17460 bytes |
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