MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the heuristic firings strongly indicate a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://sochi-polyana.com/ckfinder/userfiles/files/giwivowa.pdf In PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/3c18f35bf8b46a9d98c227ce3149a8dd/4686890117.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/98616000017.pdfIn PDF document text
- http://jewfri.kr/files/image/files/luvoxagetenik.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/379918384337af096885e84128f28738/72520970392.pdfIn PDF document text
- https://etimes.mn/uploads/files/nifapirev.pdfIn PDF document text
- https://kaptenhoki.info/contents//files/8159100750.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/lagejike.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/putufugigexapa.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/3070187238.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/mifalevoseri.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf1bc75fa6---2202921199.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a95949285---62863645167.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/lalivuxaguw.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/61e1007cc7aa4f4601346ac5c2ee734c/jekodisadekepowa.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/10068635414.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d30d1f490af---42677906730.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/9618724885.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/d200a9425d65cab14b254c3ae0cc2015/tikajukekosuzubadavireko.pdfIn PDF document text
- http://megalaserasia.com/upload///29151346156.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/vel5fd4seqd3t58676u4vskda6/ludedug.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1611c081c4e74f---pasoxopa.pdfIn PDF document text
- http://hainescentreasia.com/images/file/54383661567.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=digital+computer+electronics+malvino+brown+pdfPDF 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_off0000be6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE6F | 16828 bytes |
SHA-256: e4da7ac333b38560c6dfe47614bf909a68ff4029ced8eb49b30ea6d4226d8572 |
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font_01_sfnt_off0000ea12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA12 | 11356 bytes |
SHA-256: f5624af234614af24b78c5bf84b0f6d2cc96780afe3a54483721a8bb6eec1c58 |
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font_02_sfnt_off0001047a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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