MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host many links, likely to deceive search engines or users. The embedded JavaScript is a common method for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9819
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://catamma.ru/uplcv?utm_term=breaking+news+background+video+free+download PDF link annotation
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d4ddc57a8---7369786618.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/1f7812c496993d5da2f7c40a699f1b78/sesar.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/majebonunegikakiwudalalo.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/caf91d99f7028a9e4ce70fd45476165a/xojikafupujixodan.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160913c996d97a---79732472164.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/l343m6a78k7jv84hf30pr62gnk/molavorisoru.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/38448096320.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/a939e73eb00ad3d1701c70f56c91f25e/35029531028.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ff91c929d---48539536990.pdfIn PDF document text
- http://jessicarossitto.com/clients/7/7c/7c16b8c799dae9ffcd1258f31d6ff645/File/10790288612.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/88d17d2f34a65ab946e506f5f3684ed7/kediwavoxonivemavi.pdfIn PDF document text
- http://comlark.ru/userfiles/files/58720866274.pdfIn PDF document text
- http://podushka.by/files/files/tezutedawopamojulol.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/51960172368.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160980a002c122---fevopiwarebanofakaro.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16078d6efb916c---ginagedisutewakejoxapuwu.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/75615668577.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/15dc1bc0298b05f567dcb242dd980938/baliwegaro.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1609921531961d---kelabilatiwivutidusewo.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ccde1e7fc17---pefawevutalozunipos.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/a4udgqskt8c33l081q8k1ralkm/pitekelegugenoj.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/l3eq355h3ikhmhlccsgtis8h75/fexujok.pdfIn PDF document text
- https://congnghethucpham24h.com/upload/files/xatamowajuwi.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/birurovixotum.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/wuwipidinilijenofogozu.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/84312062749.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/34000523028.pdfIn PDF document text
- 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_off0000e81f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE81F | 19092 bytes |
SHA-256: bb0f19ddfbce17b1d1a13d9ffcfbe2618ef9317c1dadaa6c9a050cba34dc4bd7 |
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font_01_sfnt_off000118db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F2 | 11092 bytes |
SHA-256: 585ba9b0ba10d485cf088271488e6c6e209158ab71cf39ac29b7668d838b135a |
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