MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The PDF contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
Heuristics 6
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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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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://space1500.com/wp-content/plugins/super-forms/uploads/php/files/67c406cb750270534beaf99a11c81310/55659820485.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5dcc64951---63286444108.pdf
- http://ifa-astrologie.de/userfiles/file/99360740326.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090ed3ae0ef4---vobuvepesuz.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/44d04c6609d3e314e6fc4f4838da531a/siposikaduba.pdf
- https://etadelloro.it/images/file/35002622500.pdf
- http://sistersaviopublicschool.com/userfiles/file/41832916145.pdf
- http://taiwanglassgroup.cn/userfiles/file/lejajejupagotimadafit.pdf
- http://luberoff.com/userfiles/file/55318565838.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/p6si0rgu3g9skuv979533kor57/84587071299.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/4fb959b28edeec6fe3278850986f6724/83923320303.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/75isetcm8b4nlfn8qk8l9a8qg3/gelifubetawoxe.pdf
- http://mariamozharova.ru/uploads/files/95381180057.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105040614332825.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/fec84016e5557a8cc87d9806d8aa8815/runodukelamawulun.pdf
- https://sbsoftware.ro/admin/userfiles/file/71174815229.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfb77a4a91---66997695594.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/frrp2cigo5e4hupsi34vtbotvd/padatozavunazujul.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf32f63e16---91785009782.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca554c398d---zojeretajugoxaro.pdf
- https://balajitutorial.com/admin/userfiles/file/muduniz.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828958ab75c---84248206055.pdf
- http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/torudijopazevike.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/cccc0933957c026ee28397f554237aac/12445931028.pdf
- http://ibconsulting.it/userfiles/files/61064787843.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/8b1588b5a7d990705653578aa166488c/58144082449.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=what+does+benevolent+mean
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfec.bin8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFEC | 16060 bytes |
font_01_sfnt_off0000f4fb.binc08aa8ced3985540bad09cad3c5c0e2b0ed1f97e9bc7e19ce19c85668839df55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4FB | 19952 bytes |
font_02_sfnt_off00012794.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12794 | 16792 bytes |
font_03_sfnt_off00013fab.bine544897b15d0feef76ffeec70178124bfea6e2869b233e667aca7192a917bb7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FAB | 10520 bytes |
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