MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains multiple embedded URLs, with a primary focus on `https://midufefew.ru/strik?utm_term=is+enuresis+part+of+autism`. This URL, along with others hosted on disposable domains, suggests a phishing or malware distribution attempt. The heuristic `PDF_SEO_DISPOSABLE_LINK_FARM` indicates the PDF is designed as a link farm on disposable hosting, further supporting a malicious intent. ClamAV detection as `Pdf.Phishing.Trojan` confirms the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://midufefew.ru/strik?utm_term=is+enuresis+part+of+autism PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465694/normal_5fd85a552c90c.pdfIn PDF document text
- http://all-gopro.com/jopupimibuv34gyn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383302/normal_600f93a831645.pdfIn PDF document text
- http://fudoviwil.mywebcommunity.org/illustrated_course_guide_microsoft_excel_2020_advanced.pdfIn PDF document text
- http://smartcoin.design/how_to_get_level_1_crossfit_certificationve2p8.pdfIn PDF document text
- http://tixesikixux.mygamesonline.org/oxford_bookworms_stage_2_download.pdfIn PDF document text
- http://buputenajonix.mywebcommunity.org/93867317502.pdfIn PDF document text
- https://cdn.sqhk.co/lakuxezaj/f1giiiI/best_ice_cube_crusher.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426085/normal_5ffb7fe8d5e8a.pdfIn PDF document text
- https://cdn.sqhk.co/zumedizojas/gliiLZj/aqa_a_level_computer_science_textbook_answers.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484376/normal_60069b3452684.pdfIn PDF document text
- http://tivuximuliku.mygamesonline.org/what_is_a_statement_of_purpose_for_grad_school.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fd1cefa8-1285-446f-97fb-2f6d5969fdd8/84858259855.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f558789-2573-4aeb-abc5-79d38491aa6c/joguvubafikawuburaduzakof.pdfIn PDF document text
- http://sebedugufafa.rf.gd/milone.pdfIn PDF document text
- http://kuronodufanox.epizy.com/ridikoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9231e7a0-3189-4116-9045-5f684e748569/35102794837.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/858a5386-dc40-4a46-8b76-899bd50d3088/8188222476.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C6 | 4952 bytes |
SHA-256: 74c173764a00ae108a859c244579e9bd0ad1ce319614f12fa1956dcdeca53590 |
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font_01_sfnt_off00011489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11489 | 10848 bytes |
SHA-256: bdecbe316638efdb27a4cdd9f187e89af4e2d674bd34c18514ca6e5bf50dc1a6 |
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