MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links, many pointing to compromised websites or disposable domains, suggesting a link farm designed to lure users to malicious content. The presence of external URIs and link farm heuristics supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://agcslohian.com/userfiles/file/xuletuzimumuxagunijamop.pdf In PDF document text
- http://meble-tk.pl/userfiles/file/60575862879.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/8a83c141bfdaad1299ef604c690ebace/9421173026.pdfIn PDF document text
- https://alutat.com/data/file/suxejizet.pdfIn PDF document text
- http://agriturismolescuderie.eu/userfiles/files/muzuzavolow.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/54107578795.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608082a249390---javekazonof.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a5851321f---13102842197.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/2391056273.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/bonigozasepukefomu.pdfIn PDF document text
- https://mollis.rs//files/93529026389.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607c04b825fe6---kakuzikuzuwoxupemafumu.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607abcbbd721f---50352581846.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-7-13/20210713223524838275.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/fdc5694d22b419f61c344693c17d55cf/20317511888.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/cc9073d8302b8d135546ee12e72f45e9/zoxiketexela.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846766999d1---43854430194.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/28896511317.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/vejozigiropevamanureja.pdfIn PDF document text
- https://totalmediasolutions.ae/ckfinder/userfiles/files/76712340672.pdfIn PDF document text
- https://bloc-immo.com/images/29710192929.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/gizunexoxabemibiraseb.pdfIn PDF document text
- http://ijdssymposium.eu/upload/memilizutin.pdfIn PDF document text
- http://embeddedhr.com/ckfinder/userfiles/files/jabititatedezimelepejasab.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021062314002195.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=kpss+tarih+deneme+pdf+2018+indirPDF 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_off0000cf02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF02 | 11088 bytes |
SHA-256: a76e32eb2125046ca61041548c2cb99de35e225c412c53ffe6d79393757eba0b |
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font_01_sfnt_off0000e8c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DA | 19224 bytes |
SHA-256: f66725afee6a9dd6e164a70b2e54b22e0bfbbb3dbe612cbcc1fce33cb93f5176 |
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