MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external sites. The presence of a malformed stream and a high ML classifier score, along with ClamAV detection as 'Pdf.Phishing.Trojan', strongly indicates malicious intent. The primary URL, https://maypoin.ru/strik?utm_term=which+ecosystem+do+we+live+in, is likely used to redirect users to phishing or malware-hosting pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://maypoin.ru/strik?utm_term=which+ecosystem+do+we+live+in PDF link annotation
- http://midunetojonawiw.mywebcommunity.org/51387436887.pdfIn PDF document text
- https://bonopabugo.weebly.com/uploads/1/3/4/5/134581776/fukaxodip-fagig.pdfIn PDF document text
- https://pumaxodevuk.weebly.com/uploads/1/3/1/8/131872084/2deee271da386.pdfIn PDF document text
- http://dabopoxele.getenjoyment.net/can_i_tell_the_post_office_to_hold_my_mail.pdfIn PDF document text
- http://manamuposa.getenjoyment.net/befudixuj.pdfIn PDF document text
- https://xilizotuxepaxi.weebly.com/uploads/1/3/4/3/134309236/4645163.pdfIn PDF document text
- https://bumewotosebixab.weebly.com/uploads/1/3/5/2/135298585/jijesedazasewa_kapitulo.pdfIn PDF document text
- http://mmuuue.space/28876031945fydo5.pdfIn PDF document text
- https://wefidabewurar.weebly.com/uploads/1/3/1/1/131164485/wagaxane_pafasatebu_girape.pdfIn PDF document text
- https://kufuzuve.weebly.com/uploads/1/3/4/5/134589172/b7f5ac608a048ea.pdfIn PDF document text
- https://fufopijubotuxo.weebly.com/uploads/1/3/1/3/131381544/938341.pdfIn PDF document text
- https://juwaxevepatasi.weebly.com/uploads/1/3/0/8/130874094/bc05697d2288177.pdfIn PDF document text
- http://jushq.club/wimifejotisetari84ar2.pdfIn PDF document text
- http://216tilford.com/77817841608gz3iy.pdfIn PDF document text
- https://basitonivi.weebly.com/uploads/1/3/4/5/134584834/jegus.pdfIn PDF document text
- https://ragadavifomo.weebly.com/uploads/1/3/5/3/135306528/vitis.pdfIn PDF document text
- http://mebotus.mypressonline.com/form_d_under_bonus_act.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_bbacc316e9ad40b29a94abec388416e6.pdf?index=trueIn PDF document text
- http://wurebosuloxu.myartsonline.com/leruvafulemutirovezimel.pdfIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_f99142cda5b54396b46d83a3e3767690.pdf?index=trueIn PDF document text
- https://13adc596-845f-4f4a-b539-e2c04a0a4b5a.filesusr.com/ugd/6e2da7_7ffc72d405dc484c8959fb4576caa5c1.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f79d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79D | 4928 bytes |
SHA-256: 1b5eb8a33c5edc03cbc71cdb973c4ebb0785653572d89165615a9040a679d97b |
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font_01_sfnt_off00010854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10854 | 10780 bytes |
SHA-256: c51aaaf85533171b15c4d91707a984abd8fe0bb2e5baa6d723ac92e86ff20255 |
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font_02_sfnt_off00012d29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D29 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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