MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting it's used to distribute or redirect to malicious content. The presence of multiple external URIs and a link farm structure points towards a phishing or SEO manipulation attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://nationalshield-uae.com/userfiles/files/33327885205.pdf In PDF document text
- http://ledson.ru/upload_picture/91095553183.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/74567c66d597b1a436e5c9ecd6c233fe/15929612366.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/woleposiro.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/dunexofinexewunixonidog.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084f981bceee---popaso.pdfIn PDF document text
- https://saleskerala.com/ckfinder/userfiles/files/xebugo.pdfIn PDF document text
- http://apogeeconsultancy.com/upload/files/61013104334.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/newalitugumugebafebosiv.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/6uathi8fq3baurbsk26ieec0f2/318296120.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/27927915916.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/aha72h1l2c6209trevha4ml312/zoxalomonixikugi.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/22527063201.pdfIn PDF document text
- http://1hozain.ru/files/userfiles/files/21803802724.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/90837641704.pdfIn PDF document text
- http://przedszkolenisko.pl/userfiles/file/30992648768.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/trnaijuhkmb6kmpobb7caro1on/54709572485.pdfIn PDF document text
- http://grossfamilyreunion.com/clients/0/00/00c8ca1d7e0432e0ca4c178cf0a97985/File/95248196733.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ed99f330cd5---24892186069.pdfIn PDF document text
- https://grupo-kayros.com/userfiles/file/52012643644.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2b7a9cd15---dibijemavidawulova.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072478cc9143---71740132392.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5130b2a2---tegabikalupebeguta.pdfIn PDF document text
- http://sxhk365.com/uploads/file///puzarokakevifutawa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=grendel+summary+chapter+1PDF 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_off0000e78a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78A | 16392 bytes |
SHA-256: ca802113d72da7226b89c4a0ec9c829affb19055ac4349a7b9dfebc2902829d0 |
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font_01_sfnt_off000111c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C5 | 10872 bytes |
SHA-256: 17ee03d8699130d789dbfa85d795633d8cfedd4403b4619811cf5b28e40afb36 |
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font_02_sfnt_off00012ad6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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