MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains a link farm with numerous URLs, many of which are hosted on disposable domains, suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious intent to redirect users to external resources, likely for downloading further payloads or phishing for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://itemclinicchina.com/ckupload/files/mivekanurimajisanini.pdf In PDF document text
- http://constantemails.com/userfiles/file/1631360255dilusoxev.pdfIn PDF document text
- http://odontotecnicacoop.it/userfiles/file/98360501453.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/47966614863.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109061002578428.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/dubojaxiboxa.pdfIn PDF document text
- https://zenmobile.in/jaipriyart/uploads/files/48048811926.pdfIn PDF document text
- https://nyig.com/files/file/xipevubodunejeku.pdfIn PDF document text
- http://decaiyun.com/upload/file/210912130144036098eufco9rjco2w.pdfIn PDF document text
- https://khanikango.in/file/zuwalufagamunoguror.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614313f26f4aa---98612353062.pdfIn PDF document text
- https://petribax.com/userfiles/file/sazewonufazisosedutitolu.pdfIn PDF document text
- http://mp-journal.com/media/file/90667679148.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210904065648283.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1632013381.pdfIn PDF document text
- http://dlzj.net/upload/files/20210911063017333350.pdfIn PDF document text
- https://szallas-karpatalja.net/upload/nevojejeko.pdfIn PDF document text
- https://premiersuli.hu/files/files/8783707807.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/solifitiradejupavikug.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/88940067786.pdfIn PDF document text
- http://gryfarmerskie.pl/pliki_wyswig/files/wibebajogetikuxebev.pdfIn PDF document text
- http://shortguycentral.com/ck_uploads/files/ramuralujupak.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=map+app+download+apkPDF 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_off0000d66d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD66D | 18560 bytes |
SHA-256: c8e6da95d46d1e7b48b9515d1c1a6e336757fa62f88f090936549304e62a401c |
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font_01_sfnt_off00010657.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10657 | 9964 bytes |
SHA-256: 19e38a3eacc67a4028bbafc09133d2138eeefe092a46b37cad11c8c09311e02b |
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font_02_sfnt_off00011c7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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