MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and ClamAV detection. The sample contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm on disposable hosting. The primary attack pattern involves directing users to these external sites, which likely serve as phishing pages or downloaders for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://lentes123.com/aym_image/files/xasugelolurevowu.pdf
- http://technoculture.cz/admin/upload/file/28629107658.pdf
- http://andlupa.com/userfiles/file/43166110931.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8895210105---37676684771.pdf
- http://meadescafe.com/userfiles/file/gonofujaga.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/2q6nii83tstf2qirabmnmn6f16/73288087273.pdf
- http://stavbyhes.cz/ckfinder/userfiles/files/bexesisozidesatuwelas.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1jsdfqrhfu3s7h4qiec3s1rpg0/15643209441.pdf
- https://babetravelling.com/ckfinder/userfiles2/files/badumozikekibateta.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8371e85d1f6d0e763cb3ceb4796abf44/52279502206.pdf
- http://box8websites.com/ckfinder/userfiles/files/baxuvojax.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/sunatowopitozekapiges.pdf
- http://noithattamphuong.com/upload/files/67068346260.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/loodgaj0o21hcqami56l73ghqu/27702185125.pdf
- http://ekopaczka.pl/imgbrama/files/10907269017.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/r2537tr9tcpgjmmtloglqi30qa/76493695700.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/80b53067f435f34c6671befcf3106d1e/17763119447.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec6f558229---36984359899.pdf
- https://xo-sound.ru/userfiles/file/lusinibekiwadotixujekulin.pdf
- https://ludifrance.fr/userfiles/file/dakonozelepogovukav.pdf
- http://bhk-aindling.com/userfiles/files/40045833116.pdf
- http://ambulatorioveterinariocigliano.com/userfiles/files/13641385288.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/5ob9r4bfbf81m2jvrqc39chmoq/75378319686.pdf
- http://omonetach.pl/foto/ilustracje/file/38406691480.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=forestry+and+logging
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec92.bin5fc0ff891e19f5d86a21b4387a9e8abef7d837c9d54ac5b3f5295bc55d0ce38a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC92 | 17212 bytes |
font_01_sfnt_off000119ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AC | 16792 bytes |
font_02_sfnt_off000131c3.binbef0eeed7d5d473ee76dcffb95be480f327b5676db5ac9e2e641ad6137a20b20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C3 | 10512 bytes |
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