MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=android+net+http+requestqueue PDF link annotation
- http://3q1p.com/upload/file/210921003810013377u9ga2rpj6to2.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/rifopozokiredez.pdfIn PDF document text
- http://khyljg.com/uploadfiles/files/8520956369.pdfIn PDF document text
- http://www.companyforte.com/imagenes/editor/file/nedewamutuzugofibir.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/54733625604.pdfIn PDF document text
- http://askaudit.ru/price/87558128634.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/fb0422d107d3c9bd3f5be95b396273a0/zebogopivepo.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/timakonegusaxajap.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/tixefiparudoruwuwefuzeda.pdfIn PDF document text
- http://grafosaleservice.cz/images/fck_editor/file/lolimabutir.pdfIn PDF document text
- https://volnynaklad.cz/data/file/wuromo.pdfIn PDF document text
- https://sangolongphuong.vn/longphuong/news/files/55621003612.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/da5bpiu2fcp0e49u10qkr2vgaf/jodogumorugamujonosasekug.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/c3dc700630857956ef608edebb669fe5/53946930579.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16150dc3428286---rogetufekegekorokeziz.pdfIn PDF document text
- https://n-v-v.dk/userfiles/file/wudibigupemimeselasedolu.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/59545410326.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/98939031497.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/19115979006.pdfIn PDF document text
- https://nppmaudaha.in/ckfinder/userfiles/files/xexatifi.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/49308233292.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85244270245.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_off0000b04d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB04D | 15644 bytes |
SHA-256: 7323e9a6f47ecd418de34d7e266fe1fc6a0a31f6613ea9ecf725e192aa07aea8 |
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font_01_sfnt_off0000d853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD853 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f06a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06A | 10508 bytes |
SHA-256: d07da40afd83e440ba25d9d069f9a13c2ddd76f9f53534557956b2a57cbf7950 |
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