MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The presence of external URIs and the nature of the detection point towards an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://nakajima-ya.com/upload/save_image/files/vamidevidized.pdf In PDF document text
- https://salondumariagededijon.com/userfiles/file/13546612049.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/letuwuz.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/nifemibeludomadodov.pdfIn PDF document text
- https://afmiletisim.com/resimler/files/betubi.pdfIn PDF document text
- https://ijfbacknumber.com/editor_up/podekere.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/lotaroj.pdfIn PDF document text
- https://singlespeed-switzerland.ch/userfiles/files/gotiwipirikomajokawuwake.pdfIn PDF document text
- http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/vubopobozowamowomaganup.pdfIn PDF document text
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/lutefomajomijoban.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/91758366005.pdfIn PDF document text
- http://analhospital.net/file/files/51470382336.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/nunafira.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/32251467660.pdfIn PDF document text
- http://fw-simple.com/uploads/files/netegikosusexamapex.pdfIn PDF document text
- https://cityface.cz/res/file/padenutenupovatu.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/rusamagijirepodivopuwev.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/bunijeketonajuvipe.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/47752788712.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/44810ecfec55d284eec741479806403e/92253919691.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16144435914fb5---51784455285.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/nuzuwudanuwezu.pdfIn PDF document text
- http://weorderfood.com/uploads/files/54359528289.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=naruto+shippuden+ep+368PDF 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_off0000b0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0E3 | 15828 bytes |
SHA-256: bbe0772d64565383a8ba6a62599948ef57e3a7c9a4378c8c033f45a66e236fea |
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font_01_sfnt_off0000d8ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF105 | 11068 bytes |
SHA-256: fb363822f94950d443bc7a05fe29e487e035ee44c722bd144d91630347fffc03 |
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