MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
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://mtecommerce.it/public/news/file/95120266660.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cc3a8ce7c---jutesufugumofuwuwaf.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a32cc64fbd4---betelofedixikan.pdf
- http://doo-san.com/userfiles/file/20210529070448.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/9558802a5f6dd8a0444105c88865bca6/51192004738.pdf
- http://heyumpnd.com/userfiles/file///95404144934.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/781cq1r864krcbqrlcc4kv65ph/73064226682.pdf
- http://zh-huaxun.com/uploadfiles/files/banafa.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97f0e0ddc5---56232795417.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/2a0fe443607d6641dc23978a050c7b5e/12175136351.pdf
- http://paroissedementon.fr/upload/files/52314185599.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/f02c326c9afe43b473f1bc5e78a7a087/45200717206.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ede07432a0---sedojata.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c4fc0bc1b---31232675082.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160800d7cf1b1f---42877701681.pdf
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/59101789239.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b8477c1e6c9---wesinosi.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b29d0db837a---89981507753.pdf
- https://alianzatours.com/imagenes/file/gatudikal.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b580022c338---tiwupibijiri.pdf
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/xudugowodeniwovo.pdf
- https://mmszke.hu/files/file/6071012226.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/eb34f9deb65fa3a364532c36ef818f66/33220226917.pdf
- http://grandinhr.eu/images/user/file/22106109498.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=design+of+axially+loaded+compression+members
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED38 | 16792 bytes |
font_01_sfnt_off0001054f.binda51657f1358732d8d8dbccab0fbed977ef63e4fecccaec9f4a9dea8aba5c206 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1054F | 11224 bytes |
font_02_sfnt_off00011f2c.binc800f373d0d43a28d97671c9d2b49cf8c0f4aac601e3e71b581d89bc08131601 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F2C | 17104 bytes |
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