MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://portaldo.eu/contenuti/upload/file/65674741134.pdf In PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dd4135afeb---44891812957.pdfIn PDF document text
- https://bluetact.com/ckfinder/userfiles/files/14321410568.pdfIn PDF document text
- https://sapporopools.com/contents/files/82921120673.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/zotekefigatomuso.pdfIn PDF document text
- https://akilanews.com/ckfinder/userfiles/files/delog.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147dea536bcd---94759173276.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16137e0cf8a70d---43812496141.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/kafalejipeporikuwu.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/mabutapufedixi.pdfIn PDF document text
- http://stellar.ru/ckfinder/userfiles/files/39622983559.pdfIn PDF document text
- https://0800-707-808.com/upload/ckfinder_temp/files/20211004061108.pdfIn PDF document text
- http://voyagevietnamlaos.com/hinhanh/file/dajapalerelo.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/52766545921.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/52677961270.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/45367773693.pdfIn PDF document text
- https://interstudy.net/userfiles/file/49056421568.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/dedulodegufavajiva.pdfIn PDF document text
- http://alphamarino.kz/images/news/file/51634051934.pdfIn PDF document text
- https://lose-weight.tw/upload/files/76921076629.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161367694b3d58---buzubazadepazak.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/6086944221.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/2dade06f8c4ca0277588c11db9f66a78/dasupok.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614edf5c6c882---binilurozobavigu.pdfIn PDF document text
- http://afro-safari.com/upload/files/nuburikaxuxafexise.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/64708048033.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=cpd+for+real+estate+agentsPDF 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_off0000c387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC387 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB99 | 17632 bytes |
SHA-256: ac76934bc25b082bd8092e2946080bd2de3199ae3a1ed99f947f567df6769bbe |
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font_02_sfnt_off00010906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10906 | 10612 bytes |
SHA-256: 45586f709bc1104e3f89318d4049dd96a0a0c38bc2d68e72a4c378cfa6779118 |
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