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 Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggest a link farm designed to redirect users to malicious sites. The file's structure and URL patterns are consistent with phishing lures or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://queure.ru/uplcv?utm_term=most+fastest+snake+in+the+world
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075accfcc1df---15970489174.pdf
- http://asckhn.com/acskhn/userfiles/file/78636972604.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/d2ca22e8eafc358493f389312660725e/ziziwutafepugola.pdf
- http://prosquash.by/data/85064509224.pdf
- http://archi1919.com/smlclub-files/file/jugonivoselumuzet.pdf
- https://dcoderesearch.com/uploads/dijifoxa.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160af55ce9a8ed---keladotafosopenivu.pdf
- http://harissarantis.com/userfiles/files/46580335240.pdf
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/11351859432.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/p3f7fht58t4c4f5fnvluvke9a0/78199243793.pdf
- http://thedewakohchang.com/image/upload/File/utigonuzez.pdf
- https://alianzatours.com/imagenes/file/rigatiworizodekevuvodadi.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c038d157c48---80412627877.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/6fb9a429b504d690669650aa806e685e/84459997418.pdf
- https://toppelletmachine.com/d/files/dekuloxuxisukeweb.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/1cf49c379e979d8bd6b24bde0d6136e9/febuxafaveran.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bddfba1a326---bajamuguworabubususabefo.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160865fb3d4343---faxalowebab.pdf
- http://akhsmombasa.com/clients/861898/File/lewukanuwamowilekusazu.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160897a5fec63d---88810521745.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aca09e6f4fe---60124202345.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f86c709ce2---66216663636.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f204b9eff7---58848047865.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7ucc48sc1ad3ua6ge0nob63bef/pisomadozemurojobul.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1c0fe035a---70461821253.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_off0000ff17.bin73cae89eb989480690a7a50f1244c0f6c87be79f2f4d2e4118c5f1f62b10adaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF17 | 19368 bytes |
font_01_sfnt_off00013061.bin51156f554ada7d2a32580d12f1c8f30096ae40324ca65e92887e7bda47e0fa46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13061 | 10620 bytes |
font_02_sfnt_off000148b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148B3 | 16792 bytes |
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