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 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://soxebez.ru/strik?utm_term=fundamentals+of+air+traffic+control+5th+edition PDF link annotation
- http://xeratigike.medianewsonline.com/87191862922.pdfIn PDF document text
- https://cdn.sqhk.co/tivinarafuvu/heGRjdU/barbie_dreamhouse_adventures_characters_age.pdfIn PDF document text
- http://zibodotuf.mygamesonline.org/cyber_security_certifications_online.pdfIn PDF document text
- https://cdn.sqhk.co/befozaxulot/hibai2b/rutimaxuforo.pdfIn PDF document text
- http://gujozulogisin.scienceontheweb.net/fopaxiv.pdfIn PDF document text
- https://cdn.sqhk.co/luxixumogez/71BTjGd/28959967982.pdfIn PDF document text
- http://zipafaxelati.sportsontheweb.net/tuvusize.pdfIn PDF document text
- https://cdn.sqhk.co/jogeguzotire/Khcha47/13532332547.pdfIn PDF document text
- http://leseweremizew.scienceontheweb.net/wogetexalu.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/cca16a65-c7a4-4fb2-8ad9-6a8a10b1d13b/telimonetudubofizimovob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fc5a2d5-8b19-4993-89b1-ae84e66fd084/american_gods_season_3_episode_4_promo.pdfIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_2a0f773527be43a0bb28299e55764683.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f24a25d-6331-400b-b5cf-283324d524f4/hp_probook_6550b_battery_part_number.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/190fe4f3-d11d-40f3-b9d0-4baa6e810c4b/nextbook_flexx_11a_walmart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaf1389c-a741-49dd-84d8-75148ab57b38/how_to_keep_your_top_load_washer_from_smelling.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0f6d5f5-0c90-4e82-b776-b9bc7e8a7405/16711371124.pdfIn PDF document text
- https://83372c7a-1065-4b07-8284-b64562b46e84.filesusr.com/ugd/035489_77b92bde621b4fa083853355dfa95419.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/47df941a-2bd8-4fe1-880e-a9ab9cc3c81c/what_double_stroller_is_compatible_with_safety_1st_car_seat.pdfIn PDF document text
- http://wenimawibi.epizy.com/sewuso.pdfIn PDF document text
- https://314a97e4-cc7b-499c-a999-42b15fb65c39.filesusr.com/ugd/fa4a73_0fce38b8619f4b5ba16dd97d10087af6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ff46b365-5a19-4aa6-a13d-048a03a18907/41467453142.pdfIn PDF document text
- http://nodimetonakijeb.epizy.com/63466319518.pdfIn PDF document text
- https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_aa1de25f217a4c1c81ad5365db796dc4.pdf?index=trueIn PDF document text
- https://8c4778c4-ed17-4cf1-86f9-5448e21c5c15.filesusr.com/ugd/6da380_e810247d946f4c368de23123c04f0938.pdf?index=trueIn PDF document text
- http://forubav.rf.gd/tusinebi.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_004_off000119f2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x119F2 | 23304 bytes |
SHA-256: 84ded29ff15bbfedfebd8ba5578c22b82fa041412c70bf4a191cb8080763ac5c |
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font_00_sfnt_off0000e4f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F6 | 5340 bytes |
SHA-256: 25d928fd0df5daa90ac71684b56af25994a95ddd95934a64e35382349d21399c |
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font_01_sfnt_off0000f6fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FD | 10280 bytes |
SHA-256: 7a55aa5895e7b1f4baab0a2ace6f50745b530b01ffe2a6328feaf3c37d2405b9 |
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