MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://nomylo.ru/uplcv?utm_term=jon+ronson+psychopath+test+pdf PDF link annotation
- http://anquocrealty.com/uploads/image/files/lanafefisefujadofis.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/fivsm9qbuconkvrd3cpjs0u450/vivimidatekemixovemufu.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611bb76283395---lukefovafumovalifivugeke.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/wuruvoxokutifemanobemupes.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/19034490668.pdfIn PDF document text
- http://mea-travel.pl/userfiles/file/buvibebinarisixivir.pdfIn PDF document text
- https://indiantalentjunction.com/milan/media/79846160197.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c982257f1a0---womazogamujureju.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d905f3b482---ditonigujogozivuv.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609acc7d97feb---wefakajomoxavero.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/6b07d97e92fa1a2d0004ae4e873421b1/salaxowaduperar.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/5953560426.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607824ab831d9---23708226827.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/35489157113.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/nadigipibex.pdfIn PDF document text
- https://kompaspt1.com/contents//files/xisubusopune.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/poxitipumuporisigas.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/wuwewexin.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/42322381452.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/9059118744.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/4989f5468c5a5ad1149e86f7db431e01/pobebobuxexujezulizifi.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/2807616410.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/8250990a5a81fa573e68b43142e3a10d/nuvinipurito.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/waxaxudovutiruruw.pdfIn PDF document text
- 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_off0000b408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB408 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1F | 10684 bytes |
SHA-256: ee167da65cdd414a76630285f02830cc83d0db1ec0a787314bec9dcc1a0250d1 |
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font_02_sfnt_off0000e49e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49E | 14092 bytes |
SHA-256: 0e2bda9715ee7b5bf2e199bc311ab27eaaac1b321eced3aa5074f9e9446f5903 |
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