MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external URLs, with a specific focus on SEO manipulation. The primary URL, 'https://krisoc.ru/pbw?utm_term=rock+and+roll+roller+coaster', suggests a potential phishing or scam lure, aiming to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://krisoc.ru/pbw?utm_term=rock+and+roll+roller+coaster PDF link annotation
- https://lijotabele.weebly.com/uploads/1/3/4/0/134016876/gilemo_kiliweminu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391008/normal_6007a7ba35972.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464709/normal_6038d3e9be111.pdfIn PDF document text
- https://sejaworobe.weebly.com/uploads/1/3/4/8/134865602/mofoxe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368982/normal_5fe942767701b.pdfIn PDF document text
- https://nofevezim.weebly.com/uploads/1/3/4/7/134770192/zawogabod-jibiramoj-rulatelunozo-pejufunabuga.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369318/normal_6013b37bb8875.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382976/normal_5ff20ca277b25.pdfIn PDF document text
- https://fazodokivev.weebly.com/uploads/1/3/4/0/134018208/xokoxeziwel_tupibiresumuj_firizawub_bokifurewis.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
- http://tirotibixup.pbworks.com/f/21921457088.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a00ed70-0e01-407a-ace2-a68ced2be709/convertir_mm_a_pulgadas_de_agua.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9de5097-634a-46a3-b3ea-968c5d48dddd/busugejob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/274ec7e7-91ab-4ac1-a97c-7123dd31821e/how_to_factory_reset_asus_router_ac1900.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/474b4311-16a9-4cce-aa03-ab1ba75deef0/lavoxesarixisesog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d79a96b5-c07f-4dee-892e-a746438596dd/danby_12_000_btu_portable_air_conditioner_with_silencer_technology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be848c92-6955-4a73-8821-a938b25e0988/pokemon_x_and_y_emulator_pc_free_download.pdfIn PDF document text
- http://dimutojopog.pbworks.com/w/file/fetch/144799443/23422691909.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96520300-91f4-4acd-a58a-dc1b5f3d23df/sig_sauer_p320_kydex_holster_owb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6d53723-eb9e-4a16-b705-5b6b679b6309/32061481875.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78fc818f-efd4-41f7-8e57-fd8eb66b10bc/hannah_montana_movie_songs_climb_mp3_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab545027-49fb-496d-a558-96f2abb6323b/iso_22000_checklist_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0331065-251b-4be2-bc6f-e4d4042aded8/do_kitchenaid_mixer_attachments_fit_all_models.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8A | 4744 bytes |
SHA-256: a783b65290a2c50d8e67e477be2e4ce29065f7c2c7cdd0ee453255de3e54d143 |
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font_01_sfnt_off00010da7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA7 | 2356 bytes |
SHA-256: 0121dc1764935b3f536a42de7666cb58e82e2fc9349e27e92da1a8c8f602ee65 |
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font_02_sfnt_off00011817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11817 | 11672 bytes |
SHA-256: fcada4f83c6dc6839ff0b094778ce9076c51ac98a2c53150e16c19b865c79157 |
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font_03_sfnt_off00013e72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E72 | 16960 bytes |
SHA-256: 1530402f12c803d23e3161f853a34608a18616334e646e6fbcc630d95e5c8f5e |
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font_04_sfnt_off00015543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15543 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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