MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary external links, 'https://trafffe.ru/aws?utm_term=free+lds+sheet+music+christmas', suggests a lure related to free sheet music, potentially to mask malicious intent. The presence of embedded URLs and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://trafffe.ru/aws?utm_term=free+lds+sheet+music+christmas PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374013/normal_5f91eefec939b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480904/normal_5fa87be7867df.pdfIn PDF document text
- https://vumusubivabup.weebly.com/uploads/1/3/4/4/134491869/vukeb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385848/normal_5fc776638af5c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dibedamoka/barclays_life_skills_cv_template.pdfIn PDF document text
- https://s3.amazonaws.com/tokatefozude/zofogepowinumupixawuv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9563582c-a2bb-4266-ae54-e2ee503cd1fd/see_through_toaster_uk.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/37526421479.pdfIn PDF document text
- https://s3.amazonaws.com/nuxomigo/8549266877.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc06ecff7cf8c75402886b4/t/5fc2cd099d79364840ea3fdd/1606601994029/first_shield_trio_dogs.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC614 | 5136 bytes |
SHA-256: a8b8415ed21f17781f78dd960849e5d547f7f5194a2ccbd89c508e877d7c3f83 |
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font_01_sfnt_off0000d757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD757 | 10476 bytes |
SHA-256: 59ffb2a3e3c977945cb7234e91f26e966de715cc7133b12c86f4e108c1d05bc7 |
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