MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and embedded URLs strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://irlanc.ru/uplcv?utm_term=will+i+lose+weight+on+1700+calories+a+day PDF link annotation
- http://kunjipsc.com/uploads/files/39023943163.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/ba5fdf1d05f8f58614e06bfa4c9f7e1e/serovebarojevasatugugapal.pdfIn PDF document text
- https://mvmdigital.gr/files/files/tomupiwekokujinivosexani.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/00fbb5d8430a39914fa8998d6cede755/sativulanagukew.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160cf1cf9cf54b---jorilixuleto.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cce80b383---zatopativaje.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/14219841421.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/2ebfc92465d404629b6702da3daea62b/zijupexexojufomiwaleki.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/97179731641.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ro2vikqorqiufgb4bnckc894bd/45121038084.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a09bed7b746---91968902803.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c1163cf2533---48362566011.pdfIn PDF document text
- https://campermagazine.tv/public/file/17776386764.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/6d2870fc9a3ffa936b46ac9cf0c6ac62/53701965543.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3uqo4l62i1mtnhj6lgfdh9keps/gedinekititajadebewudowuf.pdfIn PDF document text
- https://la-klamm.org/Files/files/runekalanuf.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a43b7b1f2---fejemudijedupupadureziw.pdfIn PDF document text
- http://drivingschool-brno.eu/files/sobaxododapivuliviwuroda.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160750ec773a15---kusizabidiferikonojutuvo.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/c3808d3b076df8cc272c49f2a70945f9/bivegirone.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/30214511988.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/9e8964ae4dcdbd96ff85724985ba660d/bodizogejikago.pdfIn PDF document text
- https://roc.mn/uploads/files/lisamerimobepapenexevif.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/67370961357.pdfIn PDF document text
- 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_off00010b47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B47 | 11064 bytes |
SHA-256: f652f1269d2d49c779b7db1eccd00185b7452e070ebda646d942f296815c75ee |
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font_01_sfnt_off000124f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F7 | 17484 bytes |
SHA-256: 525fb00a003ced981f8166266b948e24c60282dc5e055a965e5ec7ae0df00eda |
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font_02_sfnt_off0001520f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1520F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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