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 0.9997
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://dafemum.ru/123?utm_term=asana+pranayama+mudra+bandha+espa%25C3%25B1ol+pdf+gratis PDF link annotation
- http://iminn.ru/rosukukot9wi7.pdfIn PDF document text
- http://s-tochka.ru/committee_on_preschool_special_education_nycbncqc.pdfIn PDF document text
- http://secret-empire.ru/beowulf_liuzza0e4mv.pdfIn PDF document text
- http://tihefers.online/24901417527jmvvq.pdfIn PDF document text
- http://bitcoins-profits.com/68843552159llxyq.pdfIn PDF document text
- http://bufibinokurun.scienceontheweb.net/35510868743.pdfIn PDF document text
- http://toolsbestpricemicrometer.site/44082307703wf2bj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e7f45dcf-1957-410e-85b1-216e85a225c4.filesusr.com/ugd/a2c2bc_5c8868b07ca04d149207dd2a04f22d28.pdf?index=trueIn PDF document text
- https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_76cbb7846969471081ffd2f359e939ee.pdf?index=trueIn PDF document text
- https://d0a6b1b1-1773-4622-8b5e-0ab5990a7ed3.filesusr.com/ugd/b90ba1_a83a1e74b88d46178321753a96e45e11.pdf?index=trueIn PDF document text
- https://6129906d-bc82-46a7-99f5-71793a58af3c.filesusr.com/ugd/d162e3_20e4a5ca8063423d8a6f090c5b7ff876.pdf?index=trueIn PDF document text
- https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_6fca3f966e09482ea210dcc7ee1011a5.pdf?index=trueIn PDF document text
- https://538d8494-0c7d-401a-b890-0485f6bc7bca.filesusr.com/ugd/29c71c_451b621dda364551a6f8f905da73b446.pdf?index=trueIn PDF document text
- https://a4067306-84c0-45ce-9c36-3cbb795fcb37.filesusr.com/ugd/d5b970_60386eccfec7494c990284647020058e.pdf?index=trueIn PDF document text
- https://2c549fd3-bbcc-4e43-aea5-84609313cfd4.filesusr.com/ugd/c162b3_799b5bb173e14f57bb45be140aeb71f2.pdf?index=trueIn PDF document text
- https://d926c97b-7f3b-4ec8-a52a-318bcb589338.filesusr.com/ugd/120f26_8466a18af4b749c0b142166100f188fb.pdf?index=trueIn PDF document text
- https://30f21d72-2b41-4965-a7bc-2abb02bf1ded.filesusr.com/ugd/47e66e_c8fa84a01444469caa40275a2c283eb3.pdf?index=trueIn PDF document text
- https://1c437d0a-cccb-4a8a-93f1-39e0b5126915.filesusr.com/ugd/b91566_84683ec6eeef458e933b84b76a2f1d6e.pdf?index=trueIn PDF document text
- https://6d251753-49d0-4f5b-a278-10ed1cacc9d0.filesusr.com/ugd/5c139a_b7c91d143c9345ec92bf889c2823e7b1.pdf?index=trueIn PDF document text
- http://zuzopejorexa.onlinewebshop.net/roxixuvujojerefidom.pdfIn PDF document text
- https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_b36188974f0240049559dc66102cad98.pdf?index=trueIn PDF document text
- http://nosawakudik.myartsonline.com/article_rules_grammar.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_off00010170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10170 | 5896 bytes |
SHA-256: 7aaefdbc67644d68a77e6d540a7797ae6fff111c3231624e2fa9f2a57757500e |
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font_01_sfnt_off00011520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11520 | 11788 bytes |
SHA-256: 5ae862c9f31f42e1d27202b8fa4aeaf38b23673d0832584db9a7adb1eeed9e36 |
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