MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm for SEO manipulation or malware distribution. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the presence of numerous URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic point to a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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 https://crewmak.ru/uplcv?utm_term=real+life+example+of+waterfall+model PDF link annotation
- http://thermogroup.ru/uploads/files/77109165389.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/rimulolan.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/9627594383.pdfIn PDF document text
- http://midlandhigh65.com/clients/6/68/682e31fde28f8c6bff7ebba57332ef5f/File/zenotovetapiz.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/17173208d8cfbe6d131e14f10292211a/29576934008.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/76794038639.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/1h2i5qoekh7q6d6rklvmevfula/34236571628.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/dmu2526lj8dic68eo3c5nrncfr/sizusegolofuberebewasefi.pdfIn PDF document text
- https://schlosshotel-murten.ch/userfiles/files/65682550967.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/43268641606.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/frn9bus4d98ufg955bim1ntvlh/4736425535.pdfIn PDF document text
- https://gulfb2b.com/userfiles/file/19769540890.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/cks7htol1ajd3fd5giq36iqmn3/buximelulolike.pdfIn PDF document text
- http://fmi.lu/userfiles/files/2981716039.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/wobosikukilonogi.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/763hcods0gnjn65601vikduruq/7892514828.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/30354035094.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/0a2a152a7cf99f489e88255d6016c1d4/53727734641.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/latevaxosilafujiwenubu.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/xekewisolu.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/10272843770.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160842abf2f7d4---35945846916.pdfIn PDF document text
- http://kpdb.org/userfiles/files/62000484461.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_off0000ed32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10549 | 10620 bytes |
SHA-256: 4e2e5b6b859e9e0adc866226f39036f3c852ac18ca51757943639155e35a1dd7 |
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font_02_sfnt_off00011d92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D92 | 18300 bytes |
SHA-256: 776289f7daa1f34cbfdd00d6c32d52a9e3832960566643c9500177e360c326f7 |
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