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 0.9998
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://crophysi.ru/wix?keyword=klein+organic+chemistry+solutions+manual+3rd+edition PDF link annotation
- https://cdn.sqhk.co/jutafegobexe/hd4eSsM/xuxuvune.pdfIn PDF document text
- https://cdn.sqhk.co/kodivitedi/6rghm6y/46533895293.pdfIn PDF document text
- http://rigoditibalun.mywebcommunity.org/weight_for_age_z_score.pdfIn PDF document text
- http://mapenibo.scienceontheweb.net/1_cm_graph_paper_a4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378613/normal_5ffa3a4286a72.pdfIn PDF document text
- http://vowufijetapiko.sportsontheweb.net/first_grade_math_fluency_practice.pdfIn PDF document text
- https://cdn.sqhk.co/zufuxirap/jo0ihgh/bd_net2switch_analytics.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411686/normal_5ffb45d3981a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454672/normal_5fd815ac31370.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/acb769c3-6394-4965-9196-ef961f19195e/naruto_databook_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f34d061-49c3-40d1-97c5-b1ab76fe3d04/45063194569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e311f09b-62f2-497c-8c5a-fde77918ea4c/death_note_live_action_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9dbafc0d-970a-4e3f-8362-522d6ee3b730/trig_functions_derivatives_trick.pdfIn PDF document text
- https://2aa0b900-127f-4603-a19a-6a731d3c9eb1.filesusr.com/ugd/5eaffa_b1f6efc266694877b2b86d476b2c2cf5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/150b5403-8915-48ea-acb0-46971eb89125/nafimopelatifogu.pdfIn PDF document text
- https://df6a9abb-74f3-47e1-b359-fe6d1019da36.filesusr.com/ugd/7921d2_49988d0c94e142a0a61897e5095a098d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/202242cc-9104-49e0-9045-9ab37051285c/what_is_the_topical_memory_system.pdfIn PDF document text
- http://vewawisu.onlinewebshop.net/59156567597.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff0004f9-256d-4506-bb1d-ee5e90f11804/words_their_way_spelling_levels.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB15 | 5588 bytes |
SHA-256: cbb4d5764a2043630e2308faf8153d1a293543ffdf0c7cf5cffcfe129c2ca5ea |
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font_01_sfnt_off0000edf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF5 | 10440 bytes |
SHA-256: 45ae9f9edaa3e6c5eed04b5fdf4c2b06bf0d1232d658552543a7431ee67202c4 |
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font_02_sfnt_off000111ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EC | 16084 bytes |
SHA-256: 462d13bd97d7d9b38b38dac4ddb889f891d4742debcdf3bbf084b15d68e01d41 |
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