MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by multiple heuristics, including a critical finding for a PDF redirector link to a known malicious domain. The ML classifier also strongly indicates maliciousness. The embedded URL points to a domain associated with phishing or malware delivery, and the document body, though obfuscated, contains elements related to search terms, suggesting a lure. No scripts were extracted, but the primary attack vector appears to be directing the user to a malicious external resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=washington+dc+iad+airport+hotels In PDF document text
- http://xarubuxa.iblogger.org/booking_train_ticket_form.pdfIn PDF document text
- https://dipalowijoje.weebly.com/uploads/1/3/0/9/130969855/vakok.pdfIn PDF document text
- https://fibutoledul.weebly.com/uploads/1/3/2/7/132741024/zavunorukoxumuka.pdfIn PDF document text
- https://jugifipunud.weebly.com/uploads/1/3/1/4/131437595/rareredoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tutukadunigufo.epizy.com/88903726407.pdfIn PDF document text
- https://s3.amazonaws.com/pokorevalaxex/adobe_illustrator_cs3_free_for_windows.pdfIn PDF document text
- http://dejujerun.rf.gd/zumusonumibuxigiru.pdfIn PDF document text
- http://pefodajisotavuk.rf.gd/vitamin_b12_davis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70cdce6b-ce21-4c5b-b85e-6add4d4e4c50/craftsman_lt_1500_carburetor_adjustment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d1c33f0e-c69a-4035-8081-bfc294054305/applied_predictive_modeling_in_r.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b215aa2-752f-4304-99d7-6300618fa197/49185001032.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b92671a-de61-4508-b985-00e770c57e12/thinkpad_t420s_supported_ram.pdfIn PDF document text
- http://bemuvarewu.onlinewebshop.net/26775201837.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2a3d3b7-7f94-4ceb-806b-731c800f29e2/how_to_use_iphone_as_tv_remote.pdfIn PDF document text
- https://s3.amazonaws.com/lowuwofuxali/finite_element_analysis_jobs_in_australia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a166307-3d80-4270-a806-4fa978c53aa4/onn_tv_remote_codes_uverse.pdfIn PDF document text
- https://s3.amazonaws.com/zonivezada/catheter_care_guidelines_nice.pdfIn PDF document text
- http://nofolimuri.myartsonline.com/95734808341.pdfIn PDF document text
- http://vejegaba.atwebpages.com/13018631458.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59470489-cef9-4ca6-b4f2-7ac8262b076d/valoke.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_off0000f096.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF096 | 5348 bytes |
SHA-256: afc96e6f021b9b4f594b6d364c2aabfa4391239f8611d18febdc02a27f2080ff |
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font_01_sfnt_off000102cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CF | 10676 bytes |
SHA-256: bc64d50fa1ca437b1d25067c8c00d12c983e52f3e6fbbb11bca9c7b752a37c56 |
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