MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to obscure the final malicious destination. The presence of multiple external URIs and link farms strongly indicates a phishing or credential harvesting campaign.
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://crysiq.ru/uplcv?utm_term=tap+series+answers PDF link annotation
- https://bioesteticaonline.it/file/39988856284.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/531598050972f29253f16f40dd58672a/3690701918.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99302b107---gajanabokotamu.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608923ab5a834---ponuw.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094566e51b3d---34625097819.pdfIn PDF document text
- https://juhaszautovill.hu/userfiles/file/34802004330.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/b6de7616df30a5f79255412baee619fe/laxis.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16072ac3b1abb7---pezewozeb.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/vupiwigojebufazixofakev.pdfIn PDF document text
- http://ac-kenigsberg.ru/files/file/94163601874.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6f0527d72d24214e6e61c87c4ab028fc/35475915763.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/kofigodabefifepufufev.pdfIn PDF document text
- http://lbtech.kr/upfile/files/87987354594.pdfIn PDF document text
- http://www.proyecpapel.es/ckfinder/userfiles/files/paxuruvavezid.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/foxagab.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/13987161205.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ck9kr5vdbpakl0jdlup6fdmgc2/tofuxegajonobexux.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe598174d1---1339555629.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/5ffb76615ce2d7797db6d17cc7b58dcb/tuwekop.pdfIn PDF document text
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/02440a1bc0c480efdd192560df48d2a1/temezokavimi.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/v9ul9ll3rbmk3onbanfsesrvdc/viginumoforibikoferifu.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/80709800784.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/mrf5k73fknavhgcr1qpd26crl6/bemifuwamugogemidalelu.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/4201bed5dae9922e977325bdf27ead14/nolezirivatinejago.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/gabevisugov.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_off0000dded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDED | 10028 bytes |
SHA-256: e915183bfcddd57baf0629f7e690d45572c0addaf1c68724235e85b9dd405f05 |
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font_01_sfnt_off0000f45d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45D | 17776 bytes |
SHA-256: 8e63687bf1bbc4f2b4d13cc6433a7e00bb5ccd9f0bea20b0fee2d590a9b8714a |
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font_02_sfnt_off000122f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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