MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one pointing to a suspicious domain ('golowaki.ru') and others to disposable hosting, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or spread malicious links across multiple domains. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://golowaki.ru/strik?utm_term=how+much+does+it+cost+to+run+a+30000+btu+natural+gas+heater PDF link annotation
- http://luwogexejel.getenjoyment.net/rawarejuraxugib.pdfIn PDF document text
- http://jedusajinud.mygamesonline.org/conair_clippers_power_screw_adjustment.pdfIn PDF document text
- http://walolexokesufa.sportsontheweb.net/problematicas_educativas_en_colombia.pdfIn PDF document text
- http://fosonelotila.medianewsonline.com/zonipakotanunij.pdfIn PDF document text
- http://dorugatutaxovi.scienceontheweb.net/gezoxaxukutozu.pdfIn PDF document text
- https://cdn.sqhk.co/serodozire/rVigbUl/wosinanubirob.pdfIn PDF document text
- https://cdn.sqhk.co/rorexamuviz/hgfNgiS/jukefovula.pdfIn PDF document text
- http://jijuduli.mywebcommunity.org/wikavikaxorikenazodi.pdfIn PDF document text
- http://kipegujodup.getenjoyment.net/periodic_table_of_elements_with_names.pdfIn PDF document text
- https://cdn.sqhk.co/mudifuto/dac8he6/nulilulukixexezet.pdfIn PDF document text
- http://wedevaz.sportsontheweb.net/96281629178.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://551f0ad2-75d1-4009-b90b-2f3e3e20230b.filesusr.com/ugd/c2bf0a_5a1e845eb5a44f57af2ba77dc5852340.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vavejijitatofu/84411225881.pdfIn PDF document text
- https://s3.amazonaws.com/memexelu/gurisapuxumo.pdfIn PDF document text
- https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_41dc0117845449058203ac0bc96b70c3.pdf?index=trueIn PDF document text
- https://944bcc21-9f45-42c2-9889-8cf837fa5d1c.filesusr.com/ugd/50f869_d5b73bb2fcbf4e11b2f2482d1e183870.pdf?index=trueIn PDF document text
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_4003e0c68a8a4c4e963f7c2c10d5edd7.pdf?index=trueIn PDF document text
- https://bcd7deca-fd5d-492b-a220-d373ca515bc9.filesusr.com/ugd/12f4eb_1357c301cfbb49af9c757811f3ebddf8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fojaxexino/aws_data_analytics_certification_salary.pdfIn PDF document text
- https://d54d55f4-8004-4613-9f19-7b96cbed0ae7.filesusr.com/ugd/ce4b32_cb0f389f4b5646d98ef2d830d3225fa4.pdf?index=trueIn PDF document text
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_5ee48b85e2b245a1a2bb5091952de6c7.pdf?index=trueIn PDF document text
- http://kawerulim.onlinewebshop.net/how_to_use_a_kindle_oasis.pdfIn PDF document text
- https://0a497e50-07dd-462d-832d-d8678f741a8e.filesusr.com/ugd/5f857b_467320908e384a1f845d0c8ca4acbda8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bejokazemur/68023056987.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_off0000f46b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46B | 5852 bytes |
SHA-256: 37faf008dae4b365cc24fda2a2005f779d43520b4a74268cdc2673fdc337a0d9 |
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font_01_sfnt_off0001082d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1082D | 10868 bytes |
SHA-256: 9fb6b5946d9a737f18d811f34d047693e27b40f75849dd7b357c0fa8257e1752 |
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