MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO poisoning campaign. The embedded URLs, while numerous, do not contain exploitable content within the document body itself, which appears to be malformed or obfuscated.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://dinskayarealty.ru/media/file/43664289114.pdf In PDF document text
- http://cochemical.com/upload/files/badewavusowivatapit.pdfIn PDF document text
- http://vinaktv.com/storage/ckfinder/files/40623654308.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/jobenutupamisetav.pdfIn PDF document text
- https://webmanagement.produse-electrice.ro/images/file/vixobamatuzabokadopas.pdfIn PDF document text
- https://pkmoscow.ru/ckfinder/userfiles/files/bibikojowup.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/3429bb9196437c7a30d6c2cd7c10368b/15080582836.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138516106f80---xekileravokamefeme.pdfIn PDF document text
- http://haokunchem.cn/upload/files/62855385618.pdfIn PDF document text
- https://electroagro.es/pub/files/fanawekobejesomoto.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/gupivajeros.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/13377129954.pdfIn PDF document text
- http://nineslash.com/user_file/file/rozoravuvarediv.pdfIn PDF document text
- http://retroldn.com/userfiles/file/gitedapizixajumimomusari.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/lovegijamokovid.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/topomuxujef.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b25ea1814e---mason.pdfIn PDF document text
- http://alltimescare.com/attachment/files/17247094151.pdfIn PDF document text
- https://asoriofrio.org/ckfinder/userfiles/files/79074237296.pdfIn PDF document text
- http://packturf.fr/files/rilirewununibavux.pdfIn PDF document text
- https://invision.buzyhub.com/files/vivexojapevakeperawe.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/siveparaped.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210903235434_7u8mcu.pdfIn PDF document text
- https://ontogepszerviz.hu/editor_up/74603368155.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/20654589260.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=family+zoo+apk+modPDF 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_off0000bf26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF26 | 19748 bytes |
SHA-256: 62662ea54646d975a9aafdc50128a20deae4440027c6cb8950ff36215ba299cd |
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font_01_sfnt_off0000f1f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A07 | 10192 bytes |
SHA-256: f805267164b3deb4560a6048d08f2c08fdd4da89f0d929c6fb333b8e57847792 |
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