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 0.9995
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://bologen.ru/award?keyword=cbse+class+9+syllabus+2020+20+pdf+download PDF link annotation
- http://kujazudoxiro.22web.org/jusodudijenokabujatajim.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/b647bdf8-9ace-4a6d-b65d-18f6614cb678/bomarowuxisazewafeliliz.pdfIn PDF document text
- http://vawekud.epizy.com/lexot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cc75cef-ec22-4ef0-b1a2-c09c212507da/when_would_you_use_inverted_commas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e073ec4-9dfc-4ed9-bc7c-d62e17069d18/92794956616.pdfIn PDF document text
- https://s3.amazonaws.com/gezizefefififa/what_is_the_cost_of_arduino_board.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f436340-a1c1-4b03-9aaa-acd1598d8d63/96220077380.pdfIn PDF document text
- https://s3.amazonaws.com/gixirojozogufux/zotixuburisedavan.pdfIn PDF document text
- http://vagelebab.rf.gd/tasegeponexusifozimizode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3de950e1-8076-479b-be6a-a2ee0ce7a2d8/washington_dc_travel_restrictions_january_2021.pdfIn PDF document text
- https://56db2a4d-09ce-4ff6-a558-abb1d6727cd4.filesusr.com/ugd/003b86_5b5bc0ca82ae46f9868ee90877034f29.pdf?index=trueIn PDF document text
- https://c4cd0dbc-23d7-4f11-b65f-2561cec8abe5.filesusr.com/ugd/516793_3f631cd1223a492591946d8b089f39b6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jaloto/5306274255.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b726cc9-64de-48a1-922a-9a8e2cbafd33/how_do_i_change_my_pc_ip_address_windows_7.pdfIn PDF document text
- https://s3.amazonaws.com/jedaxopopuko/thomas_calculus_1_trke_indir.pdfIn PDF document text
- https://dba0ca6b-c979-46b3-87c9-041648dee063.filesusr.com/ugd/6f58fb_11a025b70f254b988daa9c27782c827a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/litunux/pebewokesi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e9eb03e-4dbb-46d6-8669-e4c7316ff735/what_does_the_quran_say_about_relationships_before_marriage.pdfIn PDF document text
- http://lifafad.rf.gd/expressing_certainty_and_uncertainty_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wovitiku/kadex.pdfIn PDF document text
- http://bojakevu.epizy.com/my_simple_prayer_book.pdfIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_56b3d1bbce7142be876e5a1a342831a6.pdf?index=trueIn 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_off0000f1cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CB | 5724 bytes |
SHA-256: b76dd25f0feb7b07177e87c16f3757c7212ca3e5ecb80ed08cb757184aad9d44 |
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font_01_sfnt_off00010569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10569 | 11204 bytes |
SHA-256: 4ca7fd222d1ede36cd93c28f9525bdc32c3a8f9006a8b6871c991cda6e629f53 |
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font_02_sfnt_off00012b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B57 | 4420 bytes |
SHA-256: 22ea939fffb1cf5ce6eb4cb383af19aed0e46e98ec471f324efae2056563655f |
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