MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, but the presence of multiple external URIs and the overall heuristic firings strongly indicate a malicious intent to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://bibrka-school.org.ua/ckfinder/userfiles/files/lilazewifumuwaxizuxupevo.pdf In PDF document text
- https://chp-travel.ir/data/file/11385371835.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/a40e02ede8748305a58503b17df9d7cb/93356786832.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/32092977978.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a761f2d7424---54814048161.pdfIn PDF document text
- https://epiphanych.com/images/file/sutolefakixok.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c667c0765c---gepubis.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/56566874697.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/87445455172.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a165897a596---31205461396.pdfIn PDF document text
- http://ekotronic.eu/files/file/51552523236.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/hgr1a721mt5k62ph319m3vo0ag/21784368905.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/d875df3bf956094fd55542f9f5061cff/75113342485.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/7udiuo000kk4ekgl6gfbbjeg2e/xemamibosugajuvevuk.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/bekari.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/85677059546.pdfIn PDF document text
- http://olneyjune65.com/clients/d/dc/dcef5d22f85ec69f5810ba62c2e8cf46/File/livuxapowakisesuvumi.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/k7rsb7k3mtpauf46h4ftk84106/fifapofovofidi.pdfIn PDF document text
- http://grodgolf.com/clients/f/fd/fd83fa7079552abb47853a85229f74c1/File/99128259034.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/s5gm7e2m3ucn82hd3o5dcpnjov/33858044616.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/216thii22a1vqqv57toi81tg53/lupukisuxivagekomuparuj.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/8864bd2d644375e2152911444e147bae/38579061515.pdfIn PDF document text
- https://actor-conseil.com/files/file/27246194888.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fff94d3d7e---72549004088.pdfIn PDF document text
- http://getem.plfiles/file/bizinisisawujixeputiledi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=watch+inside+out+online+free+2015PDF 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_off0000eedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDF | 11092 bytes |
SHA-256: 1bd5353d75fbe77b3203ca7896cc648cbe9ed879264ddf32a21767fb59961458 |
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font_01_sfnt_off000108dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120EF | 17804 bytes |
SHA-256: e4685d1706e2125f86bdfc8afcfba6dd0f54df94336334ed8e0551623d82082d |
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