MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised or disposable hosting, suggesting an attempt to redirect users to phishing or malware sites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/95c31a3d19936af6976b19e607261a87/xurenugonexujuzuwesafixof.pdf In PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/fafipukipifepibivutenupe.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130f1b569f53---lakufubomuguvavozoni.pdfIn PDF document text
- http://irths.com/upload_files/files/34140058960.pdfIn PDF document text
- http://essentielles-theater.de/UserFiles/File/jugopivizovibarog.pdfIn PDF document text
- http://7166867.ru/ckfinder/userfiles/files/pizixile.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/31913559265.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/81719721228.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7b79c0d62---dagarokapipenax.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/9876082225.pdfIn PDF document text
- http://haustechnik-hagenauer.at/12313261662.pdfIn PDF document text
- https://zzhqhi.com/d/files/95447800521.pdfIn PDF document text
- https://simpangkanan.com/contents/files/koguzizibijosud.pdfIn PDF document text
- http://carszana.com/image/upload/File/rafuvakaduvajula.pdfIn PDF document text
- http://rosg.net/sa_upload/userfiles/file/20210919215410.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/23205460683.pdfIn PDF document text
- http://scbczy.cn/up_files/file/20210912_194524.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/futonotimu.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/zujagutodazulifapuzuse.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/26390825473.pdfIn PDF document text
- http://slxiang.com/v15/Upload/file/20219101028162211.pdfIn PDF document text
- http://ropesadventure.com/d/files/podedetedavala.pdfIn PDF document text
- http://gancza.pl/userfiles/file/66898581493.pdfIn PDF document text
- https://immsac.pe/sgi_userfiles/userfiles/files/40676060507.pdfIn PDF document text
- https://zd-zeta.com/uploads/files/202109221749184446.pdfIn PDF document text
- https://mamalight.net/business_school/uploads/file/64462002657.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=is+there+a+way+to+share+location+between+android+and+iphonePDF 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_off0000cab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB9 | 17840 bytes |
SHA-256: 4da23a40760f9f456050e5306a87ccf62c1f39558bc76fc3e64d933e0f76e41f |
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font_01_sfnt_off0000f837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF837 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001104e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104E | 10900 bytes |
SHA-256: a3d11c5006eb1697aef32e9ff8dcb36ad51efb2cfda43a4033d3280d58b38fc7 |
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