MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF document that exhibits characteristics of a link farm, with numerous embedded URLs pointing to potentially compromised websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of many unknown URLs suggest an attempt to redirect users to malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, indicating a phishing or trojan distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/fm8gprq2v4vckp0kqva2s5ommm/20456132435.pdf In PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9c2919418---88973675397.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/74333460507.pdfIn PDF document text
- http://waterreducer.cn/d/files/38043154795.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607967bf7ba13---5233253905.pdfIn PDF document text
- https://go2germany.ru/files/file/93236571807.pdfIn PDF document text
- http://healthywithhart.com/res/file/xiwarelutokiwefu.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/145caa3e7e15b43d22e8c1b7a692a40d/32766299081.pdfIn PDF document text
- https://stauber.lt/images/files/5601420592.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/wanivoseb.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/nokoxagowefarixemuze.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe9b426d45---29142824715.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b5c74b982---56823890306.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b783564ed77---37744000889.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610361b2854ca---vibinizesi.pdfIn PDF document text
- http://klefmarken.se/upload/file/40794545066.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/nedinetite.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efb486ffea---guwopel.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/tcmt717gme766quspfo2td3h18/42257603357.pdfIn PDF document text
- http://hilltop1976.com/clients/24685/File/20918341737.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/oatb45t5fprrrjvrsia6b1mqd3/tutunatonus.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/polewobesolazipo.pdfIn PDF document text
- https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/a3484a34dbae3acad7d297497e2c7060/zilopidomorurakuk.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ef53e3471---6887676508.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=encyclopedia+of+chart+patterns+espa%C3%B1ol+pdf+free+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_off0000dfba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBA | 11108 bytes |
SHA-256: 30b915a088c0170397a300c6036fb975d83b0c7233c31ded1edd42a15109c7f6 |
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font_01_sfnt_off0000f95e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95E | 17416 bytes |
SHA-256: 1cfcb6c903873b5ed74ace060b866731e8870319bbd47440c6c5101e17978740 |
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font_02_sfnt_off00012727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12727 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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