MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by an ML classifier. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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 http://soepcentrale-dekeyser.be/userfiles/file/82966776116.pdf In PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/mhqeptg2etvc36hqlvrlf5kcjs/nixokunuzivatumixagud.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/abb1a632e1cf01ed18a882bc858583d5/digufasorufezebudo.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/gevodi.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/48203062975.pdfIn PDF document text
- http://globalquestconsulting.com/userfiles/files/tumubizibedixewujetufa.pdfIn PDF document text
- https://aneri12.eu/res/file/zaturotinunaduvakezim.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088d1e682a7c---80562945581.pdfIn PDF document text
- http://dominopark.pl/public/upload/ckfinder//userfiles/files/45359940260.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/6a67587578feeb3b074055949a1a83e8/bumuxa.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a48a56d2052---18361370216.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962722ede7d---55461811844.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/45272719727.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/d97fee30ad1e83ba78ef1000cc3984a8/taniwirenajig.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/907762c2057eec219bba276d1e08b3bb/4934644572.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/lkb1belsn4tvi4n9jhr3s09ri8/25236100318.pdfIn PDF document text
- http://biotop-zamosc.pl/userfiles/file/63843662725.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/paditaremivelalalukameve.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/kqcs3j7ula602vs967lkobgubs/35567650476.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4f055c86d---lozetedixinuwixalazok.pdfIn PDF document text
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/c65331236b8f09e3fc500de818c7f005/kurejixopuwabatevi.pdfIn PDF document text
- http://one9five.com/userfiles/files/mogabifijalupizaz.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/795780de8d4b943af273554dd936825a/jasudejelovulapivubosuvas.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/c47ce0421f29ab537717f54fb32c62e3/8367982253.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c10303b286f---81408971999.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=250+amps+to+voltsPDF 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_off00012aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA1 | 17704 bytes |
SHA-256: d9e388c666b2b3598deb45fdeac47a66312d5ebbda97811bf2836a668b303fc7 |
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font_01_sfnt_off000159af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159AF | 10328 bytes |
SHA-256: c47893a1c50c56df990406f937fdfbc0b9ddac12d451db8231462927ce51bc1a |
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font_02_sfnt_off00017123.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17123 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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