MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are indicative of a spearphishing attachment, likely leading to further malicious content or downloads.
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://www.allatpatikapecs.hu/images/file/tozozikorakuvuwig.pdf In PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/ceda365d3fe7d02e4457532500982291/99998278730.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/70af58e46e2e5f7f82e6a4efee708a96/fuvafoziv.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/nonezedalamaxux.pdfIn PDF document text
- http://12shio5.com/contents//files/6023258102.pdfIn PDF document text
- http://castudio.eu/userfiles/files/noditonil.pdfIn PDF document text
- http://archinfo.ru/uploads/file/famin.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/f843e73aa9b36ac90c70cdefdf4dc1ca/29134571430.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d3c1d40a7---50149083731.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc5d9b4305---rofilewesizazulitobagiv.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/5049f3bb56e0c5775cead8cfe4c15d08/rubupibi.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/fidamifosenu.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/pqoe94q1r8jlml7e4rpr6ncvut/79204374751.pdfIn PDF document text
- http://anpo.vn/upload/files/lexiwopijumowodoxukuguxod.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01e5d7382a---wanuvo.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bfdaaa7b8---kiwomivag.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/1b8bc59b9bd8756431fff0f95293071a/59614838017.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/29cc5f791bad1157b2d1511fedbb3f3b/2052956069.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/j6n3onsca1l33vf6oj4rtcsu12/26096387482.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160984184e01b4---11350836077.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081829d06a0b---5055516171.pdfIn PDF document text
- http://icmasistemas.com/userfiles/files/78668636836.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/getufeketadikosanikotel.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a20c397a973---dogoraseselarodomawenarov.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=spam+account+namesPDF 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_off0000ffb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB2 | 17104 bytes |
SHA-256: f70ee90dfe4290fbf637a9e48e1e3e35bbdc7b1ba1ecba6c8df1ef575942d454 |
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font_01_sfnt_off00012c55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C55 | 10472 bytes |
SHA-256: 9a10e2828fe00c7f284799e15752ef31c80ea5dcb6580743f393e95785136580 |
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font_02_sfnt_off00014426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14426 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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