MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a common attack pattern of using embedded links to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://debnine.net/UserFiles/File/bisezapikamobir.pdf
- https://ichibaninfotech.com/ckfinder/userfiles/files/94541307505.pdf
- http://geologicatoscana.eu/userfiles/files/finutoropa.pdf
- http://aci-immobilier-douai.fr/userfiles/files/jozexiv.pdf
- http://aliceinformaticasrl.com/user/pages/87350552564.pdf
- http://soeurs-scjboran.fr/soeurs/upload/files/kibufebu.pdf
- https://dolphinsolutions.net/ckfinder/userfiles/files/11717220605.pdf
- https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/15485099347.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613115e083e70---sanovo.pdf
- https://akproauto.net/nbloom/fckuploads/file/lufedigovufakalejutolo.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb9ccc3cb8---9084153468.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161324d15db90d---53194764954.pdf
- http://cateringkieuan.com/uploads/userfiles/file/93341260084.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/38c60573ef8d36dcfab01c42a78a56be/32595197295.pdf
- http://directopinion.biz/uploads/FCK_files/file/tekuzewilalav.pdf
- https://bold-iot.com/uploads/files/202109080611585411.pdf
- https://infrastone.com/userfiles/files/suroralogegamibuxudi.pdf
- https://ngusacdon.com/upload/files/69159304104.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bf15d46b0---66392384882.pdf
- https://cultureresortpokhara.com/assets/userfiles/files/sopunagolow.pdf
- http://www.truca-taoules.com/ckfinder/userfiles/files/59573179147.pdf
- http://veganogle.es/uploads/ckfinder/files/jamotadupadajenebav.pdf
- https://gesema.com/UserFiles/file/83991322440.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137fd90459dc---bajaj.pdf
- http://guowangcable.com/d/files/32377411514.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=ts+intermediate+chemistry+practical+manual
- 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_off0000d51e.bin6e4c8cb3fad41f630d95d1e1b49a7b7c9f4b6358508ec815f173b2048758011a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD51E | 10836 bytes |
font_01_sfnt_off0000edf1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF1 | 16792 bytes |
font_02_sfnt_off00010603.binfbc04d00e7d36e757ec09cef93ae771726cca0d28b2df630aeda58c5adf3c27b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10603 | 17900 bytes |
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