MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS uploads, suggesting it is part of a link farm designed to redirect users to malicious sites. The PDF structure and embedded links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://inwebjor.ru/uplcv?utm_term=sweetwater+state+park
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/0cd50888528ed89ee73a946e9aaa7b65/26640448888.pdf
- http://farmaciacogliate.it/userfiles/files/fuxagow.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/h1sr4h1q0kmin80iqhic6pphv2/95245027922.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5417aefb4---kidedasoxalupivagisavufeb.pdf
- http://worldofpacifiers.com/editor_uploads/system/files/4669519510.pdf
- http://koszyczarek.pl/userfiles/file/zufasatanawutubuvitiwi.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/4f1e4ad06b92bb8c515729c73a6df23a/zukopofilig.pdf
- http://yuhongzg.com/d/files/93063640779.pdf
- http://accomplishtheimpossible.com/userfiles_ati/file/fonaburo.pdf
- http://lamachine.nl/userfiles/file/gadarifajovuzuro.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d743651901fac687631a36618b8ba8c0/mofixo.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-5-17/20210517050946699153.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160883c05073a4---rurikerivixamoletuxi.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607abc9d980f3---59683995267.pdf
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/c87ca20cfd95764643386c9c576afa48/robunitudis.pdf
- http://lt101shop.com/userfiles/files/61005148223.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/setaruvomejixen.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab8751cf75---rudepabenagefosegile.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cb5486455---jadijuneletexegalesoroser.pdf
- http://curry-box-deluxe.de/userfiles/file/wakatofusidesut.pdf
- https://airtelco.com/data/users/_/email/files/44011109846.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bde4c7510---nufuwi.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088025444dbb---65352468599.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608b881f4c9ad---4922711252.pdf
- http://st-communications.com/ckfinder/userfiles/files/xasugasibarakurejamaput.pdf
- 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_off0000eb22.bind38c74bb85c906a630d33a09c307fb5fc47f06ca47f96f937b99a7de3faba0ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB22 | 17592 bytes |
font_01_sfnt_off0001195e.bin5267f5ec8b660ba61ee26fd549d23c0381a6c7b9e7960add850b9cc8740d01c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195E | 10136 bytes |
font_02_sfnt_off0001303e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303E | 16792 bytes |
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