MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous external URLs suggests a potential for redirecting users to malicious sites or downloading further payloads, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://midufefew.ru/123?utm_term=u.+s+news+and+world+report+rankings PDF link annotation
- https://varezixogino.weebly.com/uploads/1/3/5/3/135309180/4753528.pdfIn PDF document text
- https://bofipafora.weebly.com/uploads/1/3/0/7/130776763/9109881.pdfIn PDF document text
- https://sogekapi.weebly.com/uploads/1/3/4/8/134891770/kotebizino-ladetufeni-denafukadevawam-dofidamajodij.pdfIn PDF document text
- https://saxonolofazejel.weebly.com/uploads/1/3/2/6/132681209/tinetotexisaravisowu.pdfIn PDF document text
- https://ruzuwigowan.weebly.com/uploads/1/3/1/4/131453288/2409954.pdfIn PDF document text
- https://pegipipuw.weebly.com/uploads/1/3/5/3/135395330/kutusan.pdfIn PDF document text
- https://masugefizefige.weebly.com/uploads/1/3/4/4/134491898/7867405.pdfIn PDF document text
- https://dobabolomibela.weebly.com/uploads/1/3/2/6/132681713/bakaxeku_potunosupe_vovoriwono.pdfIn PDF document text
- https://nigukaxo.weebly.com/uploads/1/3/1/4/131453065/javagafozoxo.pdfIn PDF document text
- https://busofixi.weebly.com/uploads/1/3/4/5/134576252/newuveluvepewun.pdfIn PDF document text
- https://lukafitujukeme.weebly.com/uploads/1/3/3/9/133997152/f59dd4d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370299/normal_6049c1ad6c7cf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451021/normal_5ff69f0d3ccd1.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/0ed0236c-9c30-4e32-9108-cf4591758b04/belipewur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee1aedcb-79b2-486b-924a-968da009a950/nekebew.pdfIn PDF document text
- http://pebolokunaz.pbworks.com/w/file/fetch/144616275/piebald_dachshund_puppies_for_sale_california.pdfIn PDF document text
- http://bepisoxu.pbworks.com/w/file/fetch/144825858/62837294608.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f857dcd-3037-4a5a-bdb4-35d706f5633f/sony_dcr-sx65_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0f77489-2bd9-408e-b24a-47b3fc04c6b8/best_vacuum_cleaner_with_attachments.pdfIn PDF document text
- http://lifuzopa.pbworks.com/w/file/fetch/144667551/bagapadedalo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b973a78d-c71b-44a8-8b76-0e55e2132bb1/jopis.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000109f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F5 | 5096 bytes |
SHA-256: dbcea10c0a8150e6ee58a99e37d179cd337fb8f9743538e1ed1bdb1539be8bc5 |
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font_01_sfnt_off00011b6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6A | 11812 bytes |
SHA-256: 57ce3ece20976991c27725ec59378b5a35a24bbcffa4e87e8fd474c420137461 |
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font_02_sfnt_off000143a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143A9 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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font_03_sfnt_off000158d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158D6 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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