MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many of which point to disposable hosting and are likely part of a link farm designed to improve search engine rankings or redirect users. One prominent URL, 'https://mezovuduw.ru/strik?utm_term=how+do+i+reset+my+samsung+fridge+filter', suggests a lure related to common technical queries. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent behind the link farm and redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://mezovuduw.ru/strik?utm_term=how+do+i+reset+my+samsung+fridge+filter PDF link annotation
- https://static.s123-cdn-static.com/uploads/4391915/normal_5fe2523ee50b4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497082/normal_5fd9670c8042b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467915/normal_5fd13affef892.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425511/normal_60663f913612b.pdfIn PDF document text
- https://kaxesudinebeg.weebly.com/uploads/1/3/1/3/131379803/bifakeviseke_rukilawori_datagu.pdfIn PDF document text
- https://xabizukilitexe.weebly.com/uploads/1/3/4/3/134335342/dokilivovajus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420745/normal_6016355d24fc8.pdfIn PDF document text
- https://nadaroxiwe.weebly.com/uploads/1/3/4/6/134688146/gupepolutipewi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374009/normal_5ff8b3bdb1c02.pdfIn PDF document text
- https://totuseki.weebly.com/uploads/1/3/5/3/135322554/seleluzi.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
- https://uploads.strikinglycdn.com/files/bb6683ce-9ad3-44c2-a22b-91e33bce82c6/xigekidetodozelivalejowu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a66a2253-05ce-49c7-817a-ad339b678b85/peter_drucker_books_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ecc0ed46-4ea6-40c2-91fb-bfc665c0c2b5/harman_advance_pellet_stove_parts.pdfIn PDF document text
- https://s3.amazonaws.com/nowokil/ganpati_3d_photo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ad3ac28-922b-4e9d-afb8-39415447dd54/microbiology_and_molecular_biology_reviews_submit.pdfIn PDF document text
- https://s3.amazonaws.com/jixeremipet/malwarebytes_for_windows_7_free_trial.pdfIn PDF document text
- https://s3.amazonaws.com/viromibukoleliw/how_to_build_biceps_and_chest_at_home.pdfIn PDF document text
- https://s3.amazonaws.com/lopadivupudexa/10709511035.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe0e278e-d819-4d7c-9e3d-c41b64ff3b63/75845696278.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2B | 2968 bytes |
SHA-256: 9d09da5f8339faf03d76552ffd4679db9a9978d7ca95b21340e42d8237d91475 |
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font_01_sfnt_off000114d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D2 | 5264 bytes |
SHA-256: 4b11282f25edb80d5421cdf0b5eb96074442e5a33e39cf1221446f088913bb1e |
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font_02_sfnt_off000126b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B7 | 12080 bytes |
SHA-256: 3320e089fe4fb8c22ca1a86c2b210e2646465bff1b8f0a50cf4c4db8bbdac311 |
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font_03_sfnt_off00014f57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F57 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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