MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many of which point to compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure as a link farm, coupled with the nature of the linked domains, points towards an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://oniceh.ru/uplcv?utm_term=to+the+nearest+thousand+calculator
- https://dursunguney.com/userfiles/files/rerakukuserus.pdf
- http://www.findvoters.com/userfiles/file/nubisosekowavenezigowi.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bf84be248b9---gatodixukidazip.pdf
- http://kulturazebrak.cz/userfiles/2970648566.pdf
- https://artenika.pl/fck/file/safipuxemedobaji.pdf
- https://bevelec.com/bevelec/dossierMois/file/jeraxoza.pdf
- https://vatlieutaphu.com/upload/files/towoderiparekonebujezif.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a9d23c82a---zopanu.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcc6c85a3c---bajesejikamesamaketunum.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b0fdd71b7---luxagikeduriwosemipa.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/98206ecfb30f947204bb98b16de5f478/37297899992.pdf
- http://beulahcooleycollection.com/clients/870349/File/bamumus.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b373727b44c---82211150736.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b31678a2c84---tagunodax.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b137a2ae77---xakulolirulinanipe.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/38cf0f6605426681143092b58a7a47ea/xidumofefimilesubu.pdf
- https://an-professional.ru/img/files/file/39849577876.pdf
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/vma0vjd16f944ojmbi1eq640bp/89351366393.pdf
- http://okmarin.ru/userfiles/file/38739772194.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1849d0f708---98107085289.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9de7ae963d232cdc204cbf27ba8ae588/rowowutedisowosip.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/5f0n6ng3ga72adivs1g69sge0p/parujogawomobaraxudofiz.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_off0000f08f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08F | 16792 bytes |
font_01_sfnt_off000108a1.bine61e93ca1c2be0e682c5a3b8163efef8a13e3bfe480b4a77f06dec45f6d27f2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A1 | 16880 bytes |
font_02_sfnt_off00013446.bin8a6e279e0a0151a177128684d72ee17592294cd2a8d18c8ecebe17485c376b77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13446 | 10436 bytes |
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