MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of phishing or malware distribution. No scripts were extracted, and the document body was unreadable, but the link farm structure is a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16089e3683ae02---37223820532.pdf
- http://fitsiluet.cz/data/file/karebuxaz.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/4701de43912b65067d410296ed413642/54845054354.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/1347dcd5ae5f49c2dcb7115cb5fc437d/9242389371.pdf
- http://asja-doll.ru/userfiles/file/5752392194.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2o3n9ja1j032o7b1kb0rtgl5e7/315565746.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3dfc644a7---zujefo.pdf
- http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/vasodovaludijoxikojitoru.pdf
- http://dentherapia.hu/files/file/wibiloripunud.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160accf9c1760f---16300714645.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a054e5c8441---79710537330.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fae46e0fe---54098210035.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9db23e11cb---83128958928.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607e26a418063---76697016722.pdf
- http://www.520amis.com/upload/files/xipobavun.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/f2a88134f946912157d3e4cff7d75ecd/57207250687.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fcbb5fb18---319358003.pdf
- http://ctyrkolky-gamax.cz/data/dokumenty/99743262948.pdf
- http://esipro.fr/userfiles/file/jabux.pdf
- https://press-centr.com/images/file/bemiketikarufikil.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/vkleado9dopi6bpbqd4kim87ud/91743918385.pdf
- https://belhasasecurity.com/userfiles/file/12606921935.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/t29sksgnkvmbgpq4vu71uq25eq/nasogowit.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=can+silk+be+washed
- 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_off0000ec26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC26 | 16792 bytes |
font_01_sfnt_off0001043d.bin51360e793e2f68b15d8c91afca370d76ea83bed247e9f69bab9c334b6b110058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043D | 10376 bytes |
font_02_sfnt_off00011ba7.binea4cfffa251a92578774652ad7260dcb80ab55da411503db2a7fe8545fab8fdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA7 | 17480 bytes |
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