MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the PDF's creation tool, likely serving as a lure. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://ttraff.cc/pify?keyword=adiemus+satb+sheet+music+pdf
- http://kisibuk.segwaystationcyprus.com/uploads/1/3/0/8/130874254/pinozizuvofutojaj.pdf
- http://files.coxevolab.org/uploads/1/3/1/3/131380733/b435077a189.pdf
- http://files.maptecit.co.uk/uploads/1/3/0/7/130740184/vuboravevox-ladusikigunebaj.pdf
- http://files.rainbowfarmsmaine.com/uploads/1/3/0/8/130874115/49c4912e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/7970/3451/files/96867327764.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2229/files/god_bhairava_photo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.pdf
- https://cdn.shopify.com/s/files/1/0433/0120/8232/files/ruet_admission_circular_2019-_20.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73930450062.pdf
- https://cdn.shopify.com/s/files/1/0431/2327/7973/files/teacher_day_speech_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0429/0835/2679/files/36030891245.pdf
- https://cdn.shopify.com/s/files/1/0437/2394/8183/files/11495250508.pdf
- https://cdn.shopify.com/s/files/1/0433/2155/7147/files/diy_blacksmith_forge.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d2b.bind0a2f0cd50a7e38607f17070febaab5713b9eef64caa8610ac2fb8a325fed21e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D2B | 5396 bytes |
font_01_sfnt_off00005f52.bin1974e6a301996b61bdd4c0e1f93d4b1d82fa089c61009951c585b091a4d10422 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F52 | 10240 bytes |
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