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 0.9994
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://leonvi.ru/aws?utm_term=what+is+enthalpy+change+in+thermodynamics PDF link annotation
- https://gimebupezepufo.weebly.com/uploads/1/3/4/5/134507041/8406055.pdfIn PDF document text
- http://getinugalukef.iblogger.org/how_do_i_connect_my_atem_software_control.pdfIn PDF document text
- http://wibevuzu.iblogger.org/telov.pdfIn PDF document text
- http://kefinefure.iblogger.org/bio_rad_cfx_manager_software.pdfIn PDF document text
- https://wozuxepu.weebly.com/uploads/1/3/4/4/134478893/bozowopan-dewasaxeketonob-serif.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://a54de82d-0003-4787-801b-d7ee719c780a.filesusr.com/ugd/8d57bd_f73db0bbabdf468bb8a48f77bfcc47b5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2bb5f933-d1e4-44a7-a445-9970c5936145/nusawiduwovalusoberu.pdfIn PDF document text
- http://wipupagajefi.rf.gd/87564616964.pdfIn PDF document text
- https://3f9320ff-391d-49df-b192-c557e211a93c.filesusr.com/ugd/469aea_4b16c670e7b542e394f8654e42511e67.pdf?index=trueIn PDF document text
- http://dipimov.epizy.com/malekith_guide_mortal_empires.pdfIn PDF document text
- https://d5aacb37-8766-4234-9cc8-c2ec3b911aba.filesusr.com/ugd/1e723b_9307d9fc0c304abab8dd42386bfbd236.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a8db0a78-aaab-4edc-b29e-6367e10714c6/strangers_on_a_train_alfred_hitchcock_full_movie.pdfIn PDF document text
- https://8d90b851-447f-4cfc-ac95-1e867b71b983.filesusr.com/ugd/b371d9_8bc0161408ce4616b1c00361be7d5199.pdf?index=trueIn PDF document text
- http://bipurufepibega.epizy.com/sasivaz.pdfIn PDF document text
- https://e0f910ba-f4aa-4d6b-87f6-24d78cda99ab.filesusr.com/ugd/cc15ef_968c8af5c1d849bcbbfa6b855149dcce.pdf?index=trueIn PDF document text
- http://rugafejowa.rf.gd/bosch_silence_plus_44_dba_display_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdf175f9-df70-4a52-ad07-bdf3776eabb4/what_is_a_biological_predisposition_mean.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/622280bb-709c-49bb-99dd-9ea64f958185/16773278147.pdfIn PDF document text
- http://jepatejefa.epizy.com/sun_tzu_el_arte_de_la_guerra_resumen.pdfIn PDF document text
- http://lijizuzinarit.epizy.com/rixemamifaduvalujaf.pdfIn PDF document text
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_d6c29ff412af4968a40247d7ec526b62.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cb8fcf30-b085-4ec7-a2f7-60a9fc30bded/how_to_learn_algebra_easy.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF4A | 5388 bytes |
SHA-256: e230ee02bffeaba7370a376244b50f3218773401cfe0417f34ced39df149641b |
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font_01_sfnt_off0000e171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE171 | 9964 bytes |
SHA-256: 1c9ed7a994a1b4951a5120ade58d3bcd8ace422a0f40e832bb87dce2e59a12cd |
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font_02_sfnt_off000103bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BB | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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