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 of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm for SEO manipulation or phishing. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://doktor-okonski.pl/uploadimg/file/tatenaxisa.pdf
- http://inspirationforexcellence.com/clients/66491/File/sexozaladamisivakugo.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/fbm5d5vma2qkka1nk2743oevot/21538146801.pdf
- http://syarmarka.ru/userfiles/files/18777853222.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/erogauoj4fmknb3thbh19pd5o6/86558673375.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/143025d12b09a5ab9ff139d4a22437c7/mivaj.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/jag0sif8fsvp7h8b8schniuun3/zedixorezebapapenagepuk.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2a3cced52---kagogetofepotavoginuged.pdf
- https://lolakarimova.uz/ckfinder/userfiles/files/gobirajisudozibozaneg.pdf
- http://2017.letnifestiwal.pl/ckfinder/userfiles/files/45345004599.pdf
- https://monyetmesum.com/contents//files/17447326291.pdf
- http://industrialdevices.in/uploads/69962448018.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160821bfe3de10---polok.pdf
- http://mt-filtration.com/uploaded/file/149099741060ee29567edf9.pdf
- https://samarpanbharat.org/trila/userfiles/file/89113557925.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c8d1c3d76---nubotodujaras.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/kb0joc25r1jvlqmkaeld8s0kd5/napunijagag.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/9b855c66c420fa67a7dc95cf6af6dd37/bozekoweti.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081709844c9b---risewitotuboguze.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/jpcf2l0kkrurse3kin578fciue/tesedip.pdf
- https://abofahed.com/userfiles/file/zoliboxijok.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3a7a7025e---wumowadomuratenun.pdf
- http://baigeleather.com/userfiles/file/funorobov.pdf
- http://mjsolankifoundation.com/fck/imagesfile/fozatipen.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=strong+societies+and+weak+states
- 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_off00013d06.bin5f05a02a8d08345135d59e0b966e89a9a8e2f630cc461ca680a310f863aa4614 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D06 | 17124 bytes |
font_01_sfnt_off000169a4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169A4 | 16792 bytes |
font_02_sfnt_off000181bb.bine785fc58391f15840e776f1221d5bb93d61ca7f2aec4dbd46b960e08869b68bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181BB | 10752 bytes |
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