MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, the document features a large number of external links, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites or download further payloads. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/90228997279.pdf In PDF document text
- http://elpijisystem.com/file/nebedamuxekatopat.pdfIn PDF document text
- http://secretinvitation.net/images/files/58550157765.pdfIn PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/bizaforexixizap.pdfIn PDF document text
- https://abouelhoulgroup.com/userfiles/files/tolalelidesusulofedowoj.pdfIn PDF document text
- http://www.medic-pneumolog.ro/fisiere/file/jowisir.pdfIn PDF document text
- https://sardiniagreencoast.com/userfiles/file/69588218192.pdfIn PDF document text
- http://indigobaby.eu/upload/files/sakaja.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161431ff2cbfb0---5107303415.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161494895d5036---89917722552.pdfIn PDF document text
- http://cpgny.com/userfiles/files/suvewonapobebetupil.pdfIn PDF document text
- https://fishboat.hr/files/vabixatinuwevuro.pdfIn PDF document text
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/kasabudavoberuxek.pdfIn PDF document text
- http://koryosushi.com/uploads/files/tekesi.pdfIn PDF document text
- http://skoleniridicubrno.cz/ckfinder/userfiles/files/49738008221.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/wunawasuniwuzizuxalojo.pdfIn PDF document text
- http://ossokahve.com/upload/file/nepujapudesor.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614942263b398---26194914987.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3388b6e12---11789704871.pdfIn PDF document text
- http://clinicaveterinariaalbese.eu/userfiles/files/86659952071.pdfIn PDF document text
- http://thicongdiennuocmiennam.com/uploads/files/mimifamativ.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=free+skin+fortnite+pcPDF 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_off0000b1f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F3 | 17760 bytes |
SHA-256: f33cf9ebfce37082a49bf3fed0bba8715b3a31a67bc6be5763bfb284a52f5e3b |
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font_01_sfnt_off0000df75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78C | 10336 bytes |
SHA-256: 40a9ac198b50cbef1f0525f2ee8a48c97c606b6e34f2d0656f73142ecd81bf1b |
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