MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, indicating a link farm designed to lure users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing or malware distribution vector. The presence of multiple external URIs and link farms points towards an attempt to exploit user trust through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://mszukam.pl/dat//file/zoxuti.pdf
- http://myxroad.com/upload/userfiles/file///24019908590.pdf
- http://aksaaydinlatma.com/img/editor/image/file/35765134080.pdf
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/nodajijifim.pdf
- http://bogelaipigeon.com/upload/file/74717027318.pdf
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070474901fd3---5904778310.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cecfe9383a---68406350642.pdf
- http://sk-uralstroy.ru/uploads/files/satefilafilaxemobumid.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/39e90f622bbed3637a2ecdb89c08c61f/20056139090.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/ab142ecfb6c0b5dcee8f4cb429b337fd/vanatalekebanafiguti.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/137b7c38c772b7c501c68ad3caebff42/68246901724.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/f30a86bbdca87e5c3c3c7d54d3abed11/52090525789.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/5f46cc0e0b62c1a4a497e93716374af6/dizejaxusiwobetu.pdf
- https://etonbio.com/newsLetters/images/file/xarapakigesosogafosowo.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b01c0207---jajubozeliridubuwemixur.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1cc642bedf---jazadavifomodaposus.pdf
- https://dolmalatrek.com/userfiles/file/mesinipoketosikazosaze.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfecd97bb23---16814018571.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/227dee1b96cb73b6895e15acb93312da/pogobogezov.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/f33a67697367f2d499e75c119cc6350d/bisetoxupipexizuvel.pdf
- http://pincailight.com/zk/UploadFile/file/2021061818565273499.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/f1a7d33a4067bf55f4bdd6c7f412400f/35192808273.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/1eb065612bf70eabdd600a39c096e177/ledibuvogixefagexobakas.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=intestate+succession+law+in+ghana+pdf
- 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_off0000dd00.bin260fccbd0ee503f2b00fd7521b3cfd6ae55ff66bb5bb7982c054d04c55a63769 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD00 | 10936 bytes |
font_01_sfnt_off0000f624.binaaa7bd0f03610db65284156c0329b4b2399b23a17dc8ec4ba72806871b32f229 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF624 | 19392 bytes |
font_02_sfnt_off00012765.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12765 | 16792 bytes |
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