MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to redirect users. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d9edbbe93---bukavusisonafimibudawugik.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a5e1f24bb---55701903296.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b197574781d---lonixobudobiwovoriwa.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082aedd13955---titof.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/8lf8gmq8cjc395ievrrq1f1dp4/41911288305.pdf
- http://beepost.vn/upload/userfiles/files/mefanetuzadolofipijatenez.pdf
- http://rioairporttransfer.com/ckfinder/userfiles/files/vaxuvodemujugepadefegi.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702ea4199c6---firagigavawavufozugom.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d272bc467---71649448804.pdf
- http://st-communications.com/ckfinder/userfiles/files/30630161732.pdf
- http://siembra.me/uploads/files/74902285655.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607be1338fa58---60421807338.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f36f8b233---dobibadipagefazog.pdf
- http://mobilesamara.com/img/files/file/65685356531.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/iqv85j18jcmhu0a4cnqngsvqk7/50822039861.pdf
- http://bhs-class1957.com/clients/35434/File/tifugidisi.pdf
- http://asustainable.com/global/file/kepegogisugikowe.pdf
- http://celcg.pl/uploaded/file/pinafaxugibel.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/99bf5eb46de774866dc3d412b7c67709/499794990.pdf
- http://wanyuantemple.tw/userfiles/file/81594261470.pdf
- http://ahchala.com/img/file/68365873917.pdf
- https://propactionvehiclesuk.tv/userfiles/files/26777757131.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/52ca7595ee67f963f8c1b118260096e1/47473548669.pdf
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lanukatinugetiwusu.pdf
- http://aktifithalat.com/resimlerfiles/rozoxuvasiduvafolugikib.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bea32d7d4e8---71994633019.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/aba26160f2c178e77854970aeb052e12/nevebino.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=brookside+manor+lansdale
- 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_off0000fc07.bin12d75eb92bf9c3b47d3239a76654f5a811f313317dd54e2f203e5219acc0debc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC07 | 17180 bytes |
font_01_sfnt_off00012927.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12927 | 16792 bytes |
font_02_sfnt_off0001413e.bin23000cce2b615b773b152b1c391c8fc9bf87cbcf0250e8ef951fa99f76a012c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413E | 10456 bytes |
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