MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution lure. The file contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to redirect users to malicious content. The presence of these links and the overall structure strongly suggest an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://wastran.ru/uplcv?utm_term=simile+for+hot+weather PDF link annotation
- https://tipresentoio.it/images/file/jurafanodugogo.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/e861950bcdcedc87c965169cc78f0009/92816896209.pdfIn PDF document text
- http://agendaalzheimer.org/files/galeria/files/83394609678.pdfIn PDF document text
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/b15fc2b3a5b5bed4edeccc077f839b70/vejelixabeloxakon.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd37f74456---49948233893.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a240cc31645---jeturedowatulidebipi.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/jtv158a4hle6r0o3cf3j9p85ep/64815862308.pdfIn PDF document text
- https://tiklatakip.com/calisma2/files/uploads/fuletosalomu.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073591dc5263---5302351425.pdfIn PDF document text
- http://progfin.pl/userfiles/file/pulogituxabugexivoxazibod.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b35610468c3---teritijasik.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/05oc2cjhfp743804rp6itcrjk0/vibapolijevatuz.pdfIn PDF document text
- http://lyshiying.com/d/files/dujaluvamo.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/bfa75371aea615c5d4f7f80c40a00291/dapafekezejopofibilaxad.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160a468b26ee12---pizazobabulu.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/rolf98dkj574dkidaifbc6qh51/46364050157.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/bq1a7cvetj24p6u59bhb3bcqq0/zudakudisagodevalagize.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/10j8md3bv5edggjhnj14pq64l2/80023455177.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-6/file/lulamoledozadurozus.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609130a240f4a---papetagax.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/be31b973c50fffe27fbe042baa581a6c/negupixoluruvipatexapulu.pdfIn PDF document text
- http://analogsys.com/uploaded/file/43459919860c8ee49a8778.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077ce48bb1dd---telarisivegipazobojusof.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/mnctermqcjbt93u43udohtv8e4/xusonijofunukusulapimobut.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/91912347329.pdfIn PDF document text
- http://henri-ruch.ch/doc_pub/file/jelezipesanufidekezosi.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_off00011b34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B34 | 17112 bytes |
SHA-256: 9a86d39344675f0feba457a4e0b962c9d44dbfe4b8925df57a06727f0c104a35 |
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font_01_sfnt_off000147bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147BF | 10368 bytes |
SHA-256: 73e64450fe3018a8e16f42f9919fcf8347f18ff9dde37d68b1396ca9c1ddc754 |
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font_02_sfnt_off00015f3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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