MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by 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 0.9999
Heuristics 5
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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://druttle.ru/award?keyword=cardiorespiratory+assessment+for+physiotherapy+pdf PDF link annotation
- https://laxivaxof.weebly.com/uploads/1/3/0/8/130874385/ralixetipufim.pdfIn PDF document text
- https://cdn.sqhk.co/sifujubagis/ggJECja/contemplate_on_or_about.pdfIn PDF document text
- https://cdn.sqhk.co/mugapowejog/ghfSjg6/45071699207.pdfIn PDF document text
- https://komojagalon.weebly.com/uploads/1/3/4/8/134885500/vusesoxumasuzisi.pdfIn PDF document text
- https://supavutoni.weebly.com/uploads/1/3/4/7/134713891/bazodapeli_lepifi_menewan.pdfIn PDF document text
- https://xasukibumit.weebly.com/uploads/1/3/4/7/134749231/masewigikapute-fakozumuneror-xatitekosatitu.pdfIn PDF document text
- https://cdn.sqhk.co/venifirub/apGNjfX/33536313083.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/4cd54d38-5045-497b-a6cd-047394c43e81/stock_market_close_friday_april_3_2020.pdfIn PDF document text
- https://0c7ecde5-8d52-4b6d-bf00-bcb9beb5fd3c.filesusr.com/ugd/b6f5a5_fca3a0433f30415c90d431a1f669d567.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vososasoxumete/eu4_prussia_guide.pdfIn PDF document text
- https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_056c4eff9e4d4f4a909928a6c6d88931.pdf?index=trueIn PDF document text
- https://78bdfa25-736e-4945-a764-db21511aacb9.filesusr.com/ugd/9bd82e_d2677c224b41438781a07037ae2de785.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/31f48146-567b-4a00-8769-8d265963df70/49450890097.pdfIn PDF document text
- https://s3.amazonaws.com/figugipopar/adb_android_windows_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae0d0aa7-f3a1-4b8f-a0d2-1bf0619f9029/85030075895.pdfIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_7f14b42e3f9f419cb2afced190ba9c6a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6c155c92-872d-4b68-9c7d-62dc65f73dc1/is_attack_on_titan_manga_still_going.pdfIn PDF document text
- https://77bac38d-831a-46d6-8f22-d7743fcadc58.filesusr.com/ugd/5b9a87_c9514cb8e5344d7789881182799bc30f.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_off0000e7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7CB | 5256 bytes |
SHA-256: 96c94e80a5f7df528149cbd9be91bda6241c96d2c7b7fb117b41e2be29f52a7c |
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font_01_sfnt_off0000f989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF989 | 12240 bytes |
SHA-256: 399ca329aa6db7afdd7c1327151038b6975412b99ca38fd206ea5061228cab7a |
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