MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The primary malicious URL identified is https://mezovuduw.ru/123?utm_term=breakout+atari+2600+rom, which is likely used to redirect users to a malicious site or download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://mezovuduw.ru/123?utm_term=breakout+atari+2600+rom PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386591/normal_5fe6560b9529f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414682/normal_600c521f9c040.pdfIn PDF document text
- http://kibisiji.iblogger.org/45416320910.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390057/normal_5fee905246c5c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381534/normal_5ffa370282e9c.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/tuxexi/dental_trauma_guide_for_parents.pdfIn PDF document text
- https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_5bf010dbff7a4e7cb3a5aaf1f5c8c2b5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/batiku/maplestory_full_game_client.pdfIn PDF document text
- https://d321836a-1bf8-47c4-b4d3-67fe1e7f0250.filesusr.com/ugd/33ab24_9bf0629b049c48f8ad82f79adbdffc73.pdf?index=trueIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_16c37739dae94c3f9e6280ea971dd7c8.pdf?index=trueIn PDF document text
- https://0e75ab8e-f6a1-4360-bef2-1d94e06fde4e.filesusr.com/ugd/c0518c_545cc1a9873e4ec691cfb2e39263115b.pdf?index=trueIn PDF document text
- https://71da2aa5-51c3-4f2c-ab18-08bbbad20131.filesusr.com/ugd/d216cb_9d7ebc46d63647e8a1be0af5b46641d0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/48a86dd7-282f-4455-be71-d9ba7c481406/22001459703.pdfIn PDF document text
- https://e0d0d77b-4c00-4265-bc22-f0cc5cf11ada.filesusr.com/ugd/957eb4_223392d6c3a24394a410e624edc4272f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bisegilupuf/is_everstart_maxx_a_good_battery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b9f6ca7-009a-436e-9eed-5d5ac386b6a0/what_are_the_rules_to_the_board_game_trouble.pdfIn PDF document text
- http://rebefagor.epizy.com/pathfinder_society_retraining.pdfIn PDF document text
- https://s3.amazonaws.com/xulepiwa/auguste_comte_course_of_positive_philosophy.pdfIn PDF document text
- https://f6ea5e03-7e7c-4dce-82ee-fd5d223759ef.filesusr.com/ugd/d203ad_59363dbb9b6346779d24adf70eaa0ce3.pdf?index=trueIn PDF document text
- https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_5eb8b951b0bf401199f6271378104e59.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF428 | 5160 bytes |
SHA-256: 9a23bf660cb0361eca99f3b819dcd0e78785a7bae4866b99d2aa835144f9fd53 |
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font_01_sfnt_off000105a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A1 | 10756 bytes |
SHA-256: 0ed025494f5c55b81d98c3eab513f13274f198ab1eda1673f34f534c8453e77c |
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