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 0.9992
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://jottigo.ru/123?utm_term=empirical+labs+distressor+manual+pdf PDF link annotation
- http://tejidirexe.mywebcommunity.org/warhammer_40k_8th_edition_necron_codex.pdfIn PDF document text
- https://cdn.sqhk.co/zonakagud/gdihtIh/avery_5395_template_word.pdfIn PDF document text
- https://cdn.sqhk.co/wakewafo/70gd5no/92220127025.pdfIn PDF document text
- http://fekosuse.getenjoyment.net/dutewomolo.pdfIn PDF document text
- http://zakewabo.scienceontheweb.net/sefatuzotuwebinaronu.pdfIn PDF document text
- https://cdn.sqhk.co/vekosozob/iigd7gT/daily_planner_app_free_android.pdfIn PDF document text
- http://wotukujis.sportsontheweb.net/65167501311.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rotowan/vukojuwojogipogalobep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/513bda77-b05a-4185-aff7-9a001a714cf9/zone_of_proximal_development_higher_level.pdfIn PDF document text
- https://6bfd3344-23d3-4e03-ab7d-00c1c23eecf6.filesusr.com/ugd/be19e1_1a1289903d4549c08eabadb529dd1c84.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b5c0ed7b-d245-4c2f-bee3-307e9bd10bcf/93791253842.pdfIn PDF document text
- https://5637a596-61ce-4e67-8953-8fd9cb84b940.filesusr.com/ugd/c20ea7_6c1e6219e99e4fcfb3f93b278e03fc93.pdf?index=trueIn PDF document text
- https://b3dfd9c9-1030-471f-a26d-814ea73dbccc.filesusr.com/ugd/d97afa_c1e51afd91894d8c8553caebfe7a5878.pdf?index=trueIn PDF document text
- https://dacf5b84-f80e-4bd8-bb7f-22aad20a1cd8.filesusr.com/ugd/285be4_a0a412415fb54058810ad99f14f0179d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/76f59258-8af0-4cc7-8c5d-3569a45e2ef0/what_is_the_most_important_first_step_in_a_decision_making_process.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c25d743b-1ee5-4c29-a8c4-c18542cbb698/fellowes_shredder_repair_parts.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/lejulog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e3e2b66-65b4-4b48-98e5-d16b520bddc2/gatozukelogamubaji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c456148-2b59-4c80-84dd-22117d1ad5be/labogubakevusugo.pdfIn PDF document text
- http://bugenerefajujus.atwebpages.com/augustine_came_to_kent_summary.pdfIn PDF document text
- https://44879a12-c10a-431c-a98a-7de142752d0f.filesusr.com/ugd/bb4607_d6d3ccee3e54488faf5ccf7e43da3af5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ffdef86b-027e-4041-8df7-1bd6dff07f7f/bilisafukavunurim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef69d790-5e72-43d0-98fe-2e92759f9f7a/8217711523.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_off0000f93d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF93D | 5400 bytes |
SHA-256: 83d8d3cd102c16baed5170c4279fc2b8442c4123136b6d2815e940dc52d4be92 |
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font_01_sfnt_off00010b7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7A | 10412 bytes |
SHA-256: f0e2743cfc9f3d98959be75263e646280a9fc52da2de3ca42cd5de63b8a4e4fa |
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