MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The presence of embedded URLs and the PDF structure itself are indicative of attempts to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://pelibifir.ru/strik?utm_term=basic+concepts+mathematics+logic PDF link annotation
- https://pirulilepeno.weebly.com/uploads/1/3/4/0/134040853/texosotenetibejikeje.pdfIn PDF document text
- https://pabedowilopore.weebly.com/uploads/1/3/1/1/131163579/1937070.pdfIn PDF document text
- https://muropezevoride.weebly.com/uploads/1/3/4/5/134514904/xojukowiwefupoz_fugatevuped_xukivuxemexava_pemolofafunos.pdfIn PDF document text
- https://zanebereraba.weebly.com/uploads/1/3/4/4/134472179/labupagolapag.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/ee77f13f-fc29-4ade-a4f6-c1f03a92ddba/what_do_you_need_to_get_a_drivers_permit_in_arkansas.pdfIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_15637b3171594806a259b1d395554e44.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/aaee40c1-09e5-4343-afa4-887a4f53a6b2/26789731831.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b546e2c-9cd3-4f26-817c-0fc81b932eb8/how_do_you_unlock_an_rca_tablet.pdfIn PDF document text
- https://050a9d39-d8a1-4107-8be8-b2b70b72e454.filesusr.com/ugd/5262df_a5f7243d04fd4fdf9f11a23a1829afcf.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_24f43e73800d460295e6f9934d53458d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e36e1320-0fa5-452f-bb11-bca880ae1d36/1349031587.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e8a175e-7596-47dc-89eb-810de50d1343/37718067944.pdfIn PDF document text
- https://80b1f93a-fe74-4439-a81d-34814fa7a505.filesusr.com/ugd/e56fe2_21d46167e1614231ba65d00faaac2726.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a9ff0fd5-40eb-4b1b-b6d6-431227871631/geraren.pdfIn PDF document text
- https://a0a5ada1-270c-452f-b092-d943fc6f0dc0.filesusr.com/ugd/306762_f26eea1a8c4a406a864a0995bac03ce0.pdf?index=trueIn PDF document text
- https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_e174a6351f3e4fe2b0a9a92658eb1186.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fd4f0992-a4ab-4fad-94b2-3ed67c5c82a4/what_is_the_best_orientation_for_a_house_in_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00d2ec46-568e-40a8-abdf-577682ef6e67/zafevalugevajuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3b20c4f-6be4-49cb-85de-5c350992320e/zaragigibinejukaxu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e790de3-7995-4d6a-8bda-eb35b12de42c/posapovoriw.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_off00017c42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C42 | 5300 bytes |
SHA-256: 7f31a9a6fccc259ea12507728badd0bd394d4912f5480ded354a69ff9db8fdf5 |
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font_01_sfnt_off00018e2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E2C | 11444 bytes |
SHA-256: 5f3d556b938d587cc2de932e992ad2443c097e5bece2ae932f48ce5d21ed556b |
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