MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that redirect to other PDF files hosted on various domains, some of which are compromised or disposable. The presence of 'utm_term=javascript+get+element+by+data+attribute' in one URL suggests an attempt to exploit JavaScript functionalities, likely for redirection or obfuscation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://klawiatury-foliowe.pl/_data/file/fuxisujevapexagujomufupo.pdf In PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/siwimemenodejukibitido.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/64600173724.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/360223738b59f25708dc9296309838cb/salogupigimufonizabasudu.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/sojukepokuzepiwemapuri.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/56430935988.pdfIn PDF document text
- https://alstar.uz/images/shared/file/11024116567.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/34719719307.pdfIn PDF document text
- http://zkmeiqi.com/admin/ckfinder/upfile/files/sujoju.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/14778685454.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/sisejapuvitutusuzis.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/49578611211.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16130e846601d6---69355412197.pdfIn PDF document text
- http://twatpchome.touchance.com/userfiles/file/3326687634.pdfIn PDF document text
- https://abisspaandboutique.com/nbloom/fckuploads/file/jalelizuwokejogevikanopu.pdfIn PDF document text
- http://tvtamminhphat.com/uploads/userfiles/file/72747353360.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/mojifafovabiduwigapozop.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/sixudozotiva.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed5662bc53---62764498259.pdfIn PDF document text
- http://dienmaythanglong.org/uploads/files/61712420806.pdfIn PDF document text
- https://alev.az/userfiles/file/pujiguzusizusudapami.pdfIn PDF document text
- https://bepcongnghiepphuchung.vn/userfiles/file/40323647164.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=javascript+get+element+by+data+attributePDF 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_off0000c253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC253 | 18068 bytes |
SHA-256: 16107e36cd2a4d47d0278559a8ac6e49729b31f88ca0b2ce74e2f7895700b9a2 |
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font_01_sfnt_off0000f1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109DE | 11148 bytes |
SHA-256: 62cd995b8cda0335e4e48e6aeb4f41cb8718ef0d9de4a9bb59baaff80ff1bc89 |
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