MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing or trojan variant. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links strongly suggests a malicious intent to redirect the user.
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 http://ylpcl.com/ckfinder/userfiles/files/kagilavejejazewixadapus.pdf In PDF document text
- https://aleemanschools.org/userfiles/file/24903950665.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/natuxironoxonopuginovemor.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161364d2e170a9---73568711637.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/09/file/23189921700.pdfIn PDF document text
- http://powerfalcon.net/uppic/files/nokojidulale.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/67108785191.pdfIn PDF document text
- http://allycatering.com/userfiles/58858108086.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140d43713836---zokololodu.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cddc61f1c3---1676816297.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/9l7o4ar7e005utfi1rvf4d65ti/dovasaxerolikoxu.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/9556877493.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/91d88456d35da7b2817ecdaa855df8bd/duronemumebub.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161408e3c64b44---napivijumito.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/61695761380.pdfIn PDF document text
- https://badoza.net/userfiles/file/92099195995.pdfIn PDF document text
- http://erbaytag.com/resimler/files/22715131755.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613284eea4cc5---61353365406.pdfIn PDF document text
- http://archiw.gbpopatowiec.pl/img/upload/files/bugemasolojoleji.pdfIn PDF document text
- http://kkc1.org/htdocs/cljr/data/files/pokidizepagubojinikajidis.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/sodotidiweva.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/pidixub.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/92206032450.pdfIn PDF document text
- http://businessnavigator.in/ckeditor/uploads/files/tojurunoveseletiwigu.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/81000822045.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=set+ringtone+from+wynkPDF 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_off0000e6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DF | 10548 bytes |
SHA-256: 68f16948b41e2be3fd71e358e2bc86bf514c21e64ef2275f788270a5db77db33 |
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font_01_sfnt_off0000fefc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFC | 16772 bytes |
SHA-256: e82c61259247500086ab02e612e0ebe4e334150ee17cb9384249e4b1607bfd7f |
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font_02_sfnt_off00012a73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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