MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to external resources, many of which are hosted on compromised or disposable domains, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ClamAV detection and ML classifier also flagged this file as malicious, suggesting it is part of a phishing or malware distribution campaign. The embedded URLs are likely intended to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://dzbnf.com/upload/file///wajerojesatefexu.pdf
- http://pogservice.ru/userfiles/file/jokevevaxit.pdf
- http://mppscstudy.com/admin/usercontent/file/98837197659.pdf
- http://yasaitogo.com/uploads/files/620953864.pdf
- http://www.findvoters.com/userfiles/file/lazawemefewajoribefuxikaz.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53db107a34---50000656772.pdf
- http://eau-msu.ru/ckfinder/userfiles/files/47933289203.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5f4f3e841---89916496035.pdf
- https://bitree.ru/ckfinder/userfiles/files/tagekuzipunigimog.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5ece1dd52---76282412287.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/cf76546a261ff4dfd656a0fe92b0dd08/18456483775.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609072b195c0a---24954899650.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/e8d77020671cf0ff2a4718bb9d4058c1/36496443808.pdf
- http://wintec-samu.hu/uploads/files/26087630842.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/16084d32e88643---5059260603.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea5cd3f8e0---pigelu.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609143d1e6577---563503634.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/f462e5dd1285caf174e2051045137929/47043916905.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/970a287599e1b6109f7019111483ccfd/76955314849.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/a309ba2c7b1717a040503ca891da5d7f/32418500224.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/75e109c9c76ba91e55f035be6d224aac/gipijonu.pdf
- http://namngonviet.vn/user-/files/melezararowifomivewoxo.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070472ad307d---34072032023.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=another+name+for+unicellular+organisms
- 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_off0000fba4.bincbda9bad274d8a4818a31372afd55a825f231b8dd0fe775f9d4902720804f5be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA4 | 17488 bytes |
font_01_sfnt_off00012977.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12977 | 16792 bytes |
font_02_sfnt_off0001418e.bin5e0187a5278d8b73cbe8e22ada37fc11571e05dab8248c4da870a01f952c2e45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1418E | 10864 bytes |
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