MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and 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 0.9994
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://xajibur.ru/123?utm_term=novela+amor+de+invierno+pdf PDF link annotation
- http://korixoludofuguk.scienceontheweb.net/perosiluxag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463263/normal_5fd9206a3db4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381737/normal_601f71e8510b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415309/normal_6040af0cbc060.pdfIn PDF document text
- http://boothattendant.com/76488175030p442c.pdfIn PDF document text
- https://cdn.sqhk.co/fimegasaz/tXjhhfV/marathi_classical_music_ringtones_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417329/normal_5fe6337b5bd72.pdfIn PDF document text
- http://gamuxiwami.getenjoyment.net/asm_handbook_volume_6_welding_brazing_and_soldering.pdfIn PDF document text
- https://cdn.sqhk.co/lowafose/OdRy4gj/rezokavafudoma.pdfIn PDF document text
- http://kofupum.mygamesonline.org/wizawumewogu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450350/normal_604764e3a526c.pdfIn PDF document text
- http://supportcopyright.net/vewulemasiwd4jp.pdfIn PDF document text
- http://zopokujejisolan.getenjoyment.net/precipitation_theory_of_calculus_formation.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/vihjhgj/printable_images_of_inside_out_characters.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://56a7be67-7dca-40da-a973-69ad719fb73b.filesusr.com/ugd/fedf23_381de65d21ba4cbf822fda5372064298.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_356cae97333c4c77834aa7ac96dff358.pdf?index=trueIn PDF document text
- https://6ec3981f-6443-463b-a164-91fc69f101d9.filesusr.com/ugd/7603ae_46f7ccc97658407fb7a6966e17f16c56.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/defujo/how_much_do_operating_engineers_make_in_nyc.pdfIn PDF document text
- https://s3.amazonaws.com/musoxifuvitalo/japanese_denim_piano_sheet_music.pdfIn PDF document text
- https://6ada6c45-9e8d-4063-9633-40b9e375d9b0.filesusr.com/ugd/9a7afa_71ce64b8a04843daa82cd158da99ae1b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wazagidonux/lizejivukopogejubuxo.pdfIn PDF document text
- https://6843e3eb-5573-46e1-90a0-370cfc2b4a0d.filesusr.com/ugd/89b1bc_93a68e882578493ab7e711d243656bea.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a02f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A02F | 4744 bytes |
SHA-256: fb1383ca4be7c765bcb9497cfd83b10ddc0f75d4619ccd3fd1af02614df08609 |
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font_01_sfnt_off0001b037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B037 | 11700 bytes |
SHA-256: 2ae22234c08ceda64353c3c53eb93b03913fff03a3383dc4bf9063d9241b59a2 |
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font_02_sfnt_off0001d604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D604 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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