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 and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted from this sample, but the presence of external URIs and link farm characteristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://egf.tw/test2/images/file/fofelurupaborux.pdf In PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bbc0980dd---61750305660.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/63671238332.pdfIn PDF document text
- http://jngf.cn/files/file/welexofewokowizi.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d77d8a7fc74---konubajidadojiri.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/datogigaxowozusewebakixi.pdfIn PDF document text
- http://hwayinn.com/image/files/20210610_160601.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/51602957251.pdfIn PDF document text
- http://wellfoto.cz/pictures/files/zoxadaxat.pdfIn PDF document text
- https://saunadlaciebie.pl/userfiles/file/80190172619.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075532e44fda---33646185450.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/hfqplc0i4avvok3q9scnq7gss5/92525800161.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076aecab257c---ronimibexiji.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/82625849125.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985806a322d---goxowagamiki.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072007d4964c---fivevunibipezelagemif.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/444f0c11997aca9392365b3075ad5f9d/62323805223.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/56224649276.pdfIn PDF document text
- http://avondale61.com/clients/e/e2/e25739fb73bf6f2fbed92e75d980d6c5/File/wobulowinutomididasifu.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/xilarixiwikitafobudobamav.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/wezirunixado.pdfIn PDF document text
- https://ski-experience-japan.com/images/blog//file/54089335058.pdfIn PDF document text
- http://grandp.ru/userfiles/file/susazero.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099987b56266---18275631421.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+to+reset+pioneer+avh-x2700bsPDF 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_off0001457c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1457C | 17284 bytes |
SHA-256: e31f04f59323dc0b8e055f0f92a9f9d8163b96482f22bca8c8850566080d3028 |
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font_01_sfnt_off000172d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018aef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18AEF | 11012 bytes |
SHA-256: 8e372bb1a52d0e6b6a667dccca1a377a749093e0c87999987c518e381831a4ec |
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