MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many distinct hosts and URLs pointing to potentially compromised CMS upload storage. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/11725e8e43e18c2225ccc5022f86c0e8/poxutilud.pdf In PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb4b732078---vekuwigix.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075b94c13743---pexaguvelivowoko.pdfIn PDF document text
- http://divapharma.com/uploaded/file/kelolofusefone.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/67467410577.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/11841b8f62e0ccdf19aa07618b9ceabe/zufon.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/afq58ers6ticlc2hqr0u1e8434/52395288675.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/15714411899.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/mimafojis.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/10435320425.pdfIn PDF document text
- http://gamjagolla.com/uploads/files/kumalovegasoso.pdfIn PDF document text
- http://pune-india.info/userfiles/file/61385542671.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4c265a9684e3b2f4bc157c433dc3cd99/mafiboropamone.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/xupidetibazina.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae16e4d1227---luwokerijuza.pdfIn PDF document text
- http://rogersdesignhouse.com/uploads/files/73640916808.pdfIn PDF document text
- http://serramentisiciliano.it/userfiles/files/11836915410.pdfIn PDF document text
- http://k-souz.com/userfiles/file/setomofanirobakad.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/ddb132c308f542b53bb419bcf56abfb3/15500347499.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f51fc7bab39---raxuloxudopipimelosadaz.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a764d87b3---42694072584.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac1a84da0d---zakuxaxisabaxadep.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/rizaleguriwabik.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/xomanuzalimodaposez.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/rm59tedvs426kq05pfkcfg5hi1/taxenizexu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=august+alsina+testify+free+mp3+downloadPDF 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_off0000f4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEC | 11292 bytes |
SHA-256: 14698a852f5b1cbec95d7156a3cf32c66279b6a9f1243ec99ad0008a273e6aac |
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font_02_sfnt_off0001274e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1274E | 18340 bytes |
SHA-256: 36e4d53eab2aa3a65c67c3756557b2830634b81149421f7df4e8b9b1d2ec4dd3 |
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