MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external sites, many of which appear to be compromised WordPress installations used for hosting PDF files. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass security scanners. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/e968e883ed0ba0fe935da8780091e425/puzagesekesopakusok.pdf
- https://esperanzadeavila.com/fotos/file/65485424138.pdf
- http://scpt.it/userfiles/files/suvowavavimomiwof.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/fd5935198574131ff21969cc6e8b02d5/51009055128.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca5f85f911---futarezebabinegegarumu.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/4b050a555298f21095c386ec595aa040/nemevaxa.pdf
- https://kraftyz.in/ckfinder/userfiles/files/sarizanuvevisopesekilo.pdf
- http://short-story.ru/upload/file/17383316320.pdf
- http://allprintusa.com/admin/images/file/38683155154.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d4a429c3e---5133566964.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985a36e6203---rinedageridad.pdf
- https://nasroglobal.com/userfiles/file/xuresiwenoragit.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/qrok3832qdd30emflsbnu1ik16/sipanik.pdf
- http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/kajow.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/c8691e63c61786136fbf4a73a771378e/82655573134.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/12733f7ea17709b6b059d51d97b313f3/47089124983.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/152orffpmds9bk0sol26rlecc6/dujuz.pdf
- http://amandamaitland.com/images/file/fazazobolududebifagu.pdf
- https://usssecuritate.ro/userfiles/file/60375739316.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160810fa631f75---musedamiketekaj.pdf
- http://extracam.es/app/webroot/arxius/file/sogeji.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/d2cf890cd602e6a5b84399c7fca1e0bd/26584818183.pdf
- http://krzysztofmalec.pl/gfx/fck/file/8409404514.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae324ef0694---17316703270.pdf
- http://righetti-ticozzi.it/userfiles/files/diruvepajama.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+remove+archive+folder+from+outlook
- 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_off0000fdf1.binb901cd6060f74f14747f5ff3164f6a0a965d49f8645c9bec90fb184b67981026 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF1 | 10804 bytes |
font_01_sfnt_off000116d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D8 | 16792 bytes |
font_02_sfnt_off00012eea.bin44a08fa4109124d66b81358eea70ce221d5e49b61dc8972892f0dc687bc3c4ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EEA | 17424 bytes |
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