MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various compromised websites, many of which host other PDF files. This structure suggests a link farm designed to distribute malicious content or lead users to phishing sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/c93d5aab36a9eb9d5db42fad05abf5e2/75233699927.pdf In PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/39e988ca09ce22be00205b7abf1d4eeb/xigibubevuwalazunulosux.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/4de3a7269d183140e6c9ed4bdc60f3fb/robuka.pdfIn PDF document text
- http://www.asslar.de/downloads/26865520440.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/12557387785.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/nidilugovukedojivogi.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/1gh7v45a6pasj26od1mbha7r55/1808782673.pdfIn PDF document text
- http://sam-global.info/files/file/gobawisiv.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079529a2bbfc---22442936527.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c49f7d1fa1---95396807616.pdfIn PDF document text
- http://protok.pro/upload/files/pisujujepus.pdfIn PDF document text
- https://allianztc.ro/files/file/sukizuzetexawiju.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0390a6eea---56768004335.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/0qgk2rol26kfghbuuih53d2eeg/jariditasimijijapeguro.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/2lk45ebqd3k15bagj885ve89sq/92400089098.pdfIn PDF document text
- https://cowichanmusicfestival.com/userfiles/file/49396784815.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-7-1/20210701182811609642.pdfIn PDF document text
- http://richfield1962.com/clients/4/47/47516dc9824f3897220912ef171c404f/File/26666904856.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///nitabedulogo.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160a0df9793289---wagokilasaveju.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/82750019357.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=knee+moved+out+of+placePDF 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_off00010828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10828 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001203a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203A | 16860 bytes |
SHA-256: 8da3873bfeef08e945c7ae8c6ea4a03afeb483fc221e7e4af95d1072024c007e |
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font_02_sfnt_off00014c01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C01 | 10580 bytes |
SHA-256: 97e2860f4d5143dc4b80d94b6c560f937fd49a3bb45e4fdd659c60f40d21d8d5 |
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