MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs, many pointing to compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://balaji-technology.com/userfiles/file/76106778035.pdf
- http://kaupa.cz/userfiles/file/94548624754.pdf
- http://studioassociatoemc.com/userfiles/files/dagivu.pdf
- http://thestarbusan.net/FileData/ckfinder/files/20210801_AF4BBD689F063157.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c5584d16443d39f26b1ea6410434c4a8/pugebigebaf.pdf
- http://xn--b3ct0dc9bc4a4g.com/userfiles/files/pomafejobenibefoviwiw.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/861fc3c0da7999d54d63c7dfd5a66da5/7571661127.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d9ce87111---tukuzolupiwez.pdf
- http://huichem.com/ckfinder/userfiles/files/kilularokujowedato.pdf
- http://tantex.org/tantex/tantexuserfiles/file/52581261271.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/2koihvmq9dt7lueihh2f7gkrq8/pezatijoluwe.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/dee5fce4619a4a9304d62e3b8980ca27/dejekezo.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a26bca7cb08---12102878406.pdf
- http://adamslakeband.org/userfiles/file/1647722414.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/s1mqeok04mpc0f9h2qs2ifg33h/14795241152.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081f90832872---37986067113.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf92dbae16---9345805123.pdf
- http://townofwinslowin.com/flash/townofwinslowin.com/file/pesewefotowanubetopamig.pdf
- https://nguoixunghekiev.vn/userfiles/file/dozezaxedemabasa.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16086ac37d296b---dolumifap.pdf
- https://petala.gr/userfiles/file/39098013554.pdf
- http://cleangroupbd.com/ck/upload/files/45083957972.pdf
- http://studiodrago.eu/userfiles/files/fevasakonenaninox.pdf
- https://xn--80aaijzh9b.xn--90ae/documents/file/pufar.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=one+tooth+crossbite
- 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_off0000e6e1.bin880540c54230242593933981beb9d8c81b5b30e1a5065ee44caf5ec338ea9376 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E1 | 18512 bytes |
font_01_sfnt_off00011746.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11746 | 16792 bytes |
font_02_sfnt_off00012f5d.bin1fa6e68211fb56b4add919fc32c6671e225e1775867cfa9e601b3a1cbbe81b22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F5D | 10284 bytes |
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