MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm, with many distinct hosts and URLs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV also identified the file as malicious, specifically as a phishing trojan. The presence of numerous links suggests an attempt to lure users to external sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://vakaruinzinerija.lt/userfiles/file/72229213115.pdf In PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/fui3pcmqsb5n8sqctgkd8fa8u5/wekokitafepefebuzivagexa.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/tovudopekidezenenezadi.pdfIn PDF document text
- https://foursservices.com/nbloom/fckuploads/file/13327006429.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/getiluka.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/40619970123.pdfIn PDF document text
- https://btegypt.com/file/duwuzoninalotuzajatez.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16135502479ed3---54372730445.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/xawegesutubirujavubudaz.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/a1c42f6ec429d68f6f53beb5d71ad2e5/48876084146.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/rulesufikoj.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613651633611a---83761980699.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/72773413257.pdfIn PDF document text
- http://alfonsoguiggiarchitetto.it/userfiles/files/96209328885.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132486d84ee9---98421374790.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/33647739271.pdfIn PDF document text
- https://mondoaudio.it/img/uploaded/file/potabufubepopetorisukemu.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/dk883gpuqi7ad9tgsuitg894fq/lepufinomowixeme.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613669f2730d5---39170693040.pdfIn PDF document text
- https://robindayne.com/ckfinder/userfiles/files/nivapafugisameninopale.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/wedumudexixutezirufu.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/falobar.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/67975241943.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea6c3386cd---kolenojip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=install+apk+on+android+boxPDF 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_off0000d985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD985 | 18168 bytes |
SHA-256: 3ec132d7573805d6928e8426084393ee882e58ccba4fd7aea2c4952ad10011cb |
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font_01_sfnt_off000108ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C2 | 10540 bytes |
SHA-256: a20875c663694a99c59582c8153c0d76b36c65691f45d909797952ffe9376f8e |
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