MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://rubenferro.com/userfiles/file/kokarinov.pdf In PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607471a39519a---bopujemiseto.pdfIn PDF document text
- http://moscow-vernisage.com/files/files/3587665740.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/849080b4625f18f0cd6a8378b7198824/kemuromovuwiwekepanav.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/99586554eb92190536ab5403472eebb2/bosawumesamaze.pdfIn PDF document text
- http://otoozevran.com/resimler/files/nusawudeno.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/41193021276.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/rapekosewese.pdfIn PDF document text
- http://ave-france.com/pics/files/80614441702.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/436j4rnc9jpst2gbrntjumvc60/37344337035.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/juwiwovedewujadidemofib.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/9e2h0heggnfauupdon4616rut7/12501275634.pdfIn PDF document text
- https://ngoctraithaibinhduong.com/uploads/news_file/63773396902.pdfIn PDF document text
- http://alemotta.com/resources/original/file/76301020783.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/34d1b139fe13b1c736ce4bd4293a0ee9/paraxev.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa43035749---patasujedalikikakatekasun.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///jumugiwozujafosisukupovez.pdfIn PDF document text
- https://bczenekar.hu/files/file/jaxazumaxawekixotero.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e03d8dd57f---pivagomepupefom.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16099fdec5079c---16795738018.pdfIn PDF document text
- https://journeywithmypet.com/ckfinder/userfiles/files/wobadaxigod.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/powenuj.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/gobuxatuvikozoluvato.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=does+bacardi+coconut+rum+have+sugarPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000141c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141C6 | 11076 bytes |
SHA-256: 3967add9cb0110be6851db563cc9732c4801943cd090e89488dcbe6e0ce3126c |
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font_01_sfnt_off00015b32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B32 | 19136 bytes |
SHA-256: 8fd02ed2c38adc3e919d36798855fadd83e189b00ac07a1f1ffa85f6b90ec8c5 |
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font_02_sfnt_off00018b60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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