MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector, which is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains the text "Bass guitar notes on staff pdf" and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links further supports the classification as a link farm, likely intended to drive traffic to malicious sites.
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=bass+guitar+notes+on+staff+pdf
- http://files.victorianhighcountryphotography.com/uploads/1/3/2/3/132302816/vidazewak.pdf
- http://files.diamondpeaksalt.com/uploads/1/3/0/7/130776401/6509445.pdf
- http://files.wendyleedyart.com/uploads/1/3/1/3/131398533/b295e94c.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tefukina.pdf
- https://cdn.shopify.com/s/files/1/0429/9456/5271/files/prescott_microbiology_9th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0434/0436/1884/files/62566964283.pdf
- https://cdn.shopify.com/s/files/1/0428/7257/0012/files/svg_to_png.pdf
- https://cdn.shopify.com/s/files/1/0440/6139/3046/files/vevuda.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/44987719893.pdf
- https://cdn.shopify.com/s/files/1/0437/9423/5553/files/nukusovuf.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5878/files/kovosolut.pdf
- https://cdn.shopify.com/s/files/1/0430/7573/1616/files/how_to_play_audio_through_discord.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8402105605.pdf
- https://cdn.shopify.com/s/files/1/0431/6105/9482/files/womaxigumolowumegowuja.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000608a.bin0835b9512c522d5b8f948a818b704f67ad9e7101e7d7cdafc6ba991cd8999a6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608A | 5224 bytes |
font_01_sfnt_off00007263.bin1889674143837cdccafd6df177aadcf583aeb09d7ab197a606dbad492493d126 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7263 | 10120 bytes |
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