MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to reference 'Jingle bells piano sheet music', suggesting a lure. The presence of multiple PDF links and a redirector indicates an attempt to drive traffic to malicious sites, likely for phishing or malware delivery.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://traffine.ru/aws?utm_term=jingle+bells+piano+sheet+music+g+major In PDF document text
- https://cdn-cms.f-static.net/uploads/4369162/normal_5f87d810f317a.pdfIn PDF document text
- https://fobuxowomi.weebly.com/uploads/1/3/4/2/134235628/gutilalas.pdfIn PDF document text
- https://wuvepadin.weebly.com/uploads/1/3/4/7/134714831/pubin_gufikuvufiv_bugonigebalaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380523/normal_5f91cf720f623.pdfIn PDF document text
- https://remewizefo.weebly.com/uploads/1/3/1/8/131856163/jezowogabusot_dajuxax_peloxidinivolup_foxilabeleturak.pdfIn PDF document text
- https://guzifako.weebly.com/uploads/1/3/4/0/134096492/rajiri.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/8fd4315e-a2ef-4dd9-aad5-f7b9c28c1ef3/lijozoruvubemamuxugi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69e674df-ff12-4ddb-8c19-3cdb2f6ce398/chapter_12_stoichiometry_workbook_answers.pdfIn PDF document text
- https://s3.amazonaws.com/ragejufa/sesogukixuxir.pdfIn PDF document text
- https://s3.amazonaws.com/jumedemimo/jack_black_soundboard_nuggets.pdfIn PDF document text
- https://s3.amazonaws.com/jiwisigetizoxif/jibizupujazubo.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/sukivozi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d9cd002-a76e-4be2-bd60-53e01175d353/des_moines_ia_white_pages.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_off0000b351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB351 | 5436 bytes |
SHA-256: 77c7e2385daf17f49f022b009c5c09dea51b6a36361bae6ea3566b1584fdccf7 |
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font_01_sfnt_off0000c595.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC595 | 10736 bytes |
SHA-256: ba6cded8f90e9b762fb5e6f4e03a60969b6266d7323efa14a77034d3f18ab401 |
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font_02_sfnt_off0000e9f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F4 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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