MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and PDF heuristics indicate malicious intent. The document contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to potentially malicious content. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4d62d784e8---midenupevimezubijedez.pdf In PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/zezoxozitoveriz.pdfIn PDF document text
- http://kangs78.com/clients/66216/File/ripeluzokopuka.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a9855b7caf7---58377157039.pdfIn PDF document text
- https://okazionche.com/files/kufenewukusumigef.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/xusemezigawixofodawomefum.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/sunipavamumokobonezodeju.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9ba57519---ribevilitalegavinuv.pdfIn PDF document text
- http://kleni.cz/userfiles/file/96465907052.pdfIn PDF document text
- http://myucpb.net/userfiles/file/xogotoragorelalovuvokajix.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/b4a5f10c5bf23bc66b5b97856770e844/wuzarusanu.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/19197167341.pdfIn PDF document text
- https://makenie.com/upload/files/37199424462.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/1938541507.pdfIn PDF document text
- https://feltshoe.com/userfiles/file/79946767320.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/86625791499.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/78643733392.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/26f1cae48f2b310b2e830d471a18be6d/javejepaxodisebukoworowu.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4a632274a---20682136735.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/98ec49bac0e3c9da376d9dbc4ad992cb/wesow.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1dbbf0c50---segemuzatun.pdfIn PDF document text
- http://ahkkpcm.org/userfiles/24951389077.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/56107954889.pdfIn PDF document text
- http://gramercygrand.ru/files/file/5831057929.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jiwizewupamekile.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=advanced+dungeons+and+dragons+2nd+edition+tome+of+magic+pdfPDF 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_off000116a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A1 | 18252 bytes |
SHA-256: b1be62b3e47fd6f1114eb04c00d552529727d5748d05b795238dad3002210384 |
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font_01_sfnt_off0001461c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1461C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015e33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E33 | 11184 bytes |
SHA-256: f805959b082299f6ace537a9f19d79cb31254f9b3015fbd90cf81051b67e1389 |
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