MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to potentially compromised or disposable hosting services. The presence of multiple external URIs and link farm indicators suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://dnm.tw/uploads/files/202109040132214559.pdf In PDF document text
- https://xn--nmqu14inmf.com/upload/files/tuvotasurosipoma.pdfIn PDF document text
- http://cayxaotamphan.net/userfiles/image/file/sozaxefuniwu.pdfIn PDF document text
- http://yoshitomo-kokubunji.com/jcfiles/file/42627595043.pdfIn PDF document text
- http://prmakeup.com/Image/files/kegifu.pdfIn PDF document text
- http://templeton.sk/userfiles/file/redavedagosederam.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/30918025085.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/wuxizovuxuponiwarupofota.pdfIn PDF document text
- https://derfo.info/resimler/files/15399011152.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/gatozovo.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/39626188152.pdfIn PDF document text
- http://moscreen.in/cmsfiles/file/3062528335.pdfIn PDF document text
- http://roberlo.cz/www/files/file/baxabobupofibenexezoteveg.pdfIn PDF document text
- http://mbfeed.vn/upload/files/favematemopizozizi.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/fozajatapolotixirewew.pdfIn PDF document text
- https://fullgame.hu/uploads/files/jelanegamupavepewuwupalut.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/5ac767673027fba748660a8073929683/36497117687.pdfIn PDF document text
- http://hoangduy.vn/vn/files/62627185203.pdfIn PDF document text
- https://uat-tunisia.com/userfiles/file/16675673505.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130d08e3efc2---bupatulaginuxodifo.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138365d746bb---91614921794.pdfIn PDF document text
- http://amdind.com/userfiles/file/rumuzixizemes.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/33892898465.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=minn+kota+terrova+80+i+pilot+link+owner%27s+manualPDF 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_off0000d527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD527 | 11112 bytes |
SHA-256: a67aa8676d60f209cc522a2e62d98d4d537eb3ef7b0198c55f2d607727fff542 |
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font_01_sfnt_off0000ef31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF31 | 17452 bytes |
SHA-256: ed84c8f5ae8b6e5d025ad58137f865d6531ae4a4437b170987c73af4912616f2 |
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font_02_sfnt_off00011cda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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