MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to deceive users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://inwebjor.ru/uplcv?utm_term=banded+sea+star PDF link annotation
- https://tallerescarrion.com/uploads/file/limawofaguwirebujavawazes.pdfIn PDF document text
- https://monyetmesum.com/contents/files/mupejaxo.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/lakitevilafex.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614ed9e015515---60409653309.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-16/20210916023118969486.pdfIn PDF document text
- https://lbk-ingatlan.hu/uploads/file/fotuvizoze.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/94790500740.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/23775572476.pdfIn PDF document text
- https://pratham.one/file/90582041157.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/0bf7d89c5941c8831e9ccff84c17e20a/27188685607.pdfIn PDF document text
- https://pixel.bg/img/file/fubizafumedamuroguka.pdfIn PDF document text
- http://unicorn-furnitures.com/d/files/dikezafuguduroto.pdfIn PDF document text
- http://belly.bpv.su/content/files/files/pizuzezoziravilefepimid.pdfIn PDF document text
- https://savitravel.ro/ckfinder/userfiles/files/95710924739.pdfIn PDF document text
- http://amadpich.com/userfiles/file/lovotokoduxawukuxejalo.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/zosesugof.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/53546788906.pdfIn PDF document text
- https://alajuusa.ee/media/contents/file/tozav.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/26240243413.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16151f017b4a02---18018549901.pdfIn PDF document text
- http://radio6deenero.com/uploaded/files/27636715379.pdfIn PDF document text
- https://fancybox.pamlskovnik.cz/ckfinder/userfiles/files/17729329636.pdfIn PDF document text
- http://www.yevres.fr/ckfinder/userfiles/files/daluwuzitorukuxugagowigo.pdfIn PDF document text
- https://delta-relay.be/userfiles/file/42767205510.pdfIn PDF document text
- 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_off0000aebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEBB | 10036 bytes |
SHA-256: c4f781fe5419df7506e3a15e0722fe22726ded77c459fe104cb3af0808eb3453 |
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font_01_sfnt_off0000c524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC524 | 14724 bytes |
SHA-256: 271d9a0a0140eaa47a63c88f943760a9fbb7a653bdb623391aa0aeb68b1de584 |
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font_02_sfnt_off0000e9db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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