MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, and is flagged by heuristics as a link farm. The embedded URL 'https://traffnew.ru/wb?keyword=neumonia%20tratamiento%20pdf%20pediatria' suggests a lure for search engine optimization or phishing. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or SEO spam distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://traffnew.ru/wb?keyword=neumonia%20tratamiento%20pdf%20pediatria PDF link annotation
- https://vagonegasix.weebly.com/uploads/1/3/1/4/131482995/zobuder.pdfIn PDF document text
- https://molisemopum.weebly.com/uploads/1/3/1/4/131437834/xizejenevana-kirunavi.pdfIn PDF document text
- https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/xenefu.pdfIn PDF document text
- https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/pitinoxamejutuw_ziwodafurox_pixawalubifesej.pdfIn PDF document text
- https://zabugusu.weebly.com/uploads/1/3/4/3/134311035/323107ea3e.pdfIn PDF document text
- https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/6349443.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/90cadab1-8de9-421f-9ac5-78da41048b04/suxukejiwinafopupuvanapix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15d2470c-1caa-4a94-9735-8d7fedab37b0/female_yorkie_puppy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a099a12-56c8-431a-8d97-b5e87eea2e3f/sobotubujejumapebogos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28a95155-ab3a-4c32-8172-bb2617717325/ruxabe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e74f5cf-2f50-4550-a847-e77895859486/kevoromori.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64d13baa-2c8e-4430-8c2b-5493b04d435e/iterate_over_characters_in_string_c.pdfIn PDF document text
- https://s3.amazonaws.com/wexukufedepim/five_nights_at_anime_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56c71fcd-4ec0-478c-96fd-4dff417cbaae/47433268933.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ee32383-f2d3-4e69-997f-d1c728eb5af9/emt_study_guide_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25c18927-60e9-41d6-b74d-4f2c24caf123/drinkers_guide_to_tenses.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D0 | 4828 bytes |
SHA-256: b88113b0e7a384f2d0560ee63ab2186fdac355787b13a05e0713e0ed8df619ef |
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font_01_sfnt_off0001021c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021C | 11604 bytes |
SHA-256: dc7c39a60198418ac04e7bb606d354642a3b4a3d040dd8876fe9744758f2675d |
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font_02_sfnt_off000127b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B5 | 4324 bytes |
SHA-256: 8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd |
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