MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress sites, suggesting it's used to redirect users to malicious content. The presence of numerous PDF links and the use of disposable hosting point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
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://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/8288238a1bda65aee74f872a7f7ddd77/luxoxowiben.pdf In PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/530b176fa6099aee77519d483d651d5e/84978319258.pdfIn PDF document text
- http://gerocuki.hu/user/file/62384022731.pdfIn PDF document text
- http://snotlicker.com/clients/10243/File/fepavivifinuj.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/6mb0fbalbvsvo1vs5ig021p07a/xuzimolezala.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160803d757a24e---dafevenakitawofeme.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/wixasenawalatim.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab56eec58c0---83624291788.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/lojas.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/53d478ad83a73e42d5c204b909892f26/70712895343.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/35258443208.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/ki1mu256k6gn17p2f1l1suiecm/deradoxo.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a016e863b25---wotogodunetuti.pdfIn PDF document text
- http://industrialdevices.in/uploads/81339068202.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e3dca97d2---45684681781.pdfIn PDF document text
- https://aonetreks.com/uploads/file/50677368104.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/tugozexa.pdfIn PDF document text
- http://fence-alarm.com/userfiles/files/xiravisej.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/62a5347e26b5eedde8c4146cc012792e/73833088581.pdfIn PDF document text
- http://pauseforserenity.com/clients/1/10/1002a5d8b3740fc7390aa1937d1ec3ed/File/39487921383.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c1704072456---71464857288.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17ed48817a---xofokidijukeso.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e61ccb5ed3b---kuxirakanoxokiteretovepur.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/52ae807179b8cbb271a4661c8e264b33/raxeletaduvu.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/eoug229r1kq1grfdu9u3ebdsk8/70297811340.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a26b019da4b---tusob.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-7-22/20210722202051397520.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+clean+kenmore+washer+series+100PDF 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_off0000fe10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE10 | 17244 bytes |
SHA-256: 039b0836de1cfdb679cb60b09a085ed082884429fc228011a96f463fa79a5442 |
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font_01_sfnt_off00012ab7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB7 | 10836 bytes |
SHA-256: 3c00fbe306a2a650f16541443e3960f7a4fa6bdefff31ae658c987f6e1188f82 |
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font_02_sfnt_off0001438f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1438F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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