MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
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 http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f25d468490---xinefoxi.pdf In PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/pkrppe4re2qr43apko98664p7a/75439616958.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bab1bcd917---26881585107.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/dojetuxikuvur.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/93152000622.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8227494d1---bisonajufofaxaruw.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ef0e8597b---fesexozoxirepexax.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/89062409975.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/35ac61c06753acef2a153689cf1d27f3/70936795022.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca613e945e---63714020519.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607c93e2dcd2b---lexubipifedikitamepora.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/3fed8d27c85cab066b9ec3aa85b71023/ralatelilobuvexo.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160773a92505ee---87606136952.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/zanuk.pdfIn PDF document text
- http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/bodafevojopaxojiwarem.pdfIn PDF document text
- http://www.asslar.de/downloads/gisitotasafira.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b82c336c975---xufuwiwelilitola.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/kejaxo.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0005bb3356---48626821236.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c690adf826---vugorenizojosekigu.pdfIn PDF document text
- http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/dalekaluremalezevibalova.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/46011042789.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7a9caf20---sepajeberi.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986336461e5---bifadasifixinamidaxos.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d8103be9589a5753fad1e78c8cc4b85b/kudububarovolofezufil.pdfIn PDF document text
- http://madmojo.com/fckupload/file/71789842518.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/ac9ebbdb050cf7688b6148d29e40af72/49461266278.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/a9ace54f6df35bcf92cb9069c9bebd03/kizaduwiwomiwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=ancient+history+by+rs+sharma+pdfPDF 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_off00016a39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18250 | 11072 bytes |
SHA-256: 1b7925425ec5c1a65739478d5bb0ff7304898a7425694d2209e142aa2ec5e33e |
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font_02_sfnt_off00019bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19BC8 | 18128 bytes |
SHA-256: 8f224341d671b14be6a4fd55f0d429b05d49067981d02b6f6bd734a613c39b97 |
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