MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://lozipotod.ru/award?keyword=importance+of+ecological+succession+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4489835/normal_602ba1721830b.pdfIn PDF document text
- https://cdn.sqhk.co/wisulekekij/jijegdY/pitchperfect_musical_instrument_tuner_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/DyIeQhh/ditirufasuwutoxirifogasen.pdfIn PDF document text
- https://pedadadaroteb.weebly.com/uploads/1/3/0/9/130969242/90140e274c4.pdfIn PDF document text
- https://cdn.sqhk.co/fabetojowuje/g3GDhjb/novabaduxonuva.pdfIn PDF document text
- http://nakozek.mypressonline.com/dokowixedetikekab.pdfIn PDF document text
- http://tewosube.mypressonline.com/rnn_bptt.pdfIn PDF document text
- https://didegesub.weebly.com/uploads/1/3/2/6/132681352/boburawe_buluxil_vixemaso.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500910/normal_5fec1d00789a9.pdfIn PDF document text
- https://tojaxufuvubugo.weebly.com/uploads/1/3/4/6/134641466/8971142.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://91e55214-10ad-44cf-a10a-60a9392df58b.filesusr.com/ugd/e1c37d_0c25416878bc4111badd9d7b2cf0309d.pdf?index=trueIn PDF document text
- https://aece7fbc-7072-4055-9cfa-29e0da41b620.filesusr.com/ugd/e878fd_c97482544e14465197928cc57f968f9c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/teximikamukubo/business_advertising_templates_free.pdfIn PDF document text
- https://72b50e20-f79f-40ca-96b4-24bef83e308f.filesusr.com/ugd/1a1092_c3c87496b00c4f25ad14228980f137c7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/somamere/lufalegike.pdfIn PDF document text
- https://08b4a39d-fa16-4eaa-91be-ae90003cacb9.filesusr.com/ugd/237bf7_65c7ebe5713e438dae925d66c774d0e4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/topipovikapari/suxelaroponuponavuwedaza.pdfIn PDF document text
- https://s3.amazonaws.com/bezorito/catering_menu_templates_for_microsoft_word.pdfIn PDF document text
- http://revudipepofaten.myartsonline.com/72756990822.pdfIn PDF document text
- https://s3.amazonaws.com/luborinizu/consumer_reports_best_appliances_2019.pdfIn PDF document text
- http://velelakolifuvu.onlinewebshop.net/15597605634.pdfIn PDF document text
- https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_460f89a0b2e44b9f86b20a7b22911c4d.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_off0000ea42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA42 | 5292 bytes |
SHA-256: 1447908db234e95b8bba067ad7ee2a9fbbccba79081021efd6294b1cacf4a29f |
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font_01_sfnt_off0000fc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC16 | 9984 bytes |
SHA-256: c83ad4bd7a9fb489edfb2db2e6ec2055360ed45a55b28a3725be551cc482cc58 |
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font_02_sfnt_off00011e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E39 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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