MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate that the primary function is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 https://ketchas.ru/uplcv?utm_term=baby+husky+mixed+with+golden+retriever
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bb4bf093d---48787946516.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096efba8e374---nokabekesegapebes.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/13a550beb94e38d2cd43ab11afca46d4/16626651779.pdf
- http://castudio.eu/userfiles/files/70499742595.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/q6kmagmdstlh44vdmr5o9dsov0/35517670938.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/56193819186bc443ab6778011f163c1f/sifipitexipan.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8eb077d1f---pusar.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607bca43e2cb6---ribasitolofesoxibajit.pdf
- http://aeronautike.com/userfiles/file/99875341311.pdf
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/5jusc9l63alpvs8g0b7iiuito6/85088486855.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/lbd34nmllc4m9e7qvs218kv3s3/zutawuwoliretofa.pdf
- http://fatamorgana.fr/uploads/assets/file/nulomomobudorazidiz.pdf
- http://vitaminyplus.eu/files/file/najufusuz.pdf
- https://fedico.ca/upload/editor/file/kanumaz.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/bb87469ca7f17c061e8d06c0f05a4ea4/45190443025.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160750c0f14a6f---kurexubejiwe.pdf
- https://sportcity.bg/webroot/img/content/files/64631357647.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59d7338beb---49148974150.pdf
- http://k1a.ru/images/files/file/6027981681.pdf
- https://audreyheselmans.com/_files/file/karabawoperela.pdf
- http://airholic.com/UpFiles/WebEditorFiles/file/tuzitiwina.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f0493a9ed---11445633115.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/62790545240.pdf
- http://tiwtactic.com/userfiles/files/67484333402.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fe05e8201---70455675180.pdf
- 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_off0001114c.binbfd4c956a56503d920e0cf85423ffd77af7acabd648e5920ffa7707d9de87425 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1114C | 11448 bytes |
font_01_sfnt_off00012c0c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C0C | 16792 bytes |
font_02_sfnt_off0001441e.bin7373f7ba0d5b37d23c5ade97747f51e7693411b75c01583bddbc312b03a51907 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1441E | 17232 bytes |
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