MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous links, many of which point to compromised websites or disposable hosting, suggesting a link farm for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 http://tk-weld.com/images/library/File/62480804791.pdf In PDF document text
- https://biholka.cz/uploades/userfiles/file/31561934040.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/xebasine.pdfIn PDF document text
- http://labotinnghia.com/img/files/kiworipubujuzijatosez.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/59846142475.pdfIn PDF document text
- https://rkdestate.com/userfiles/file/84580518713.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/jopupovaradifenatafubobo.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/1r2ud7r4rlmvv5bjl5r01g00f3/novezeziwidijimowigu.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/72066212249.pdfIn PDF document text
- https://drproperty.in/userfiles/file/1097390265.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/32402021877.pdfIn PDF document text
- https://learningsolution.ca/userfiles/files/89179640923.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/41040349390.pdfIn PDF document text
- https://euronuts2009.ge/files/files/vilasofow.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/nowegomofetemosusupe.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/riwewurimufo.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/joxuzalalosiwunafuzon.pdfIn PDF document text
- https://davnosti.ru/upload/kabemenafixagetawofi.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5dd68dfd99c6a9186edf13ea8bc41889/52669091431.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/50383440882.pdfIn PDF document text
- http://talesma.com/E/file/32364734725.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373dec4520a---gisibaxavikolom.pdfIn PDF document text
- https://art-lamps-rali.eu/files/file/zojimozuwitakifevajaro.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/gibedamotavikiririr.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/fabd07397d3cb5957b04f3976452c4d4/52569254880.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=samsung+galaxy+ace+software+update+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://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_off0000b881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB881 | 15652 bytes |
SHA-256: 1a80a8cc6453a5b022cb4779157d1431cb7860b470ae134b145d7c1d39ea12d9 |
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font_01_sfnt_off0000e043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE043 | 11348 bytes |
SHA-256: 12e3f08f9b6d8c69a1086b6978a47382606089f82dcb6196d9dfecbdf3aa8834 |
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font_02_sfnt_off0000fae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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