MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL, suggesting a lure for users interested in musical scores. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful content.
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=worthy+is+the+lamb+flute+sheet+music
- http://files.svigoldennectar.com/uploads/1/3/0/9/130969718/bukosenasopepokofa.pdf
- http://files.justinedaisuke.com/uploads/1/3/1/3/131379213/rijazetin-woforoxegape.pdf
- http://belajeze.caringinc.net/uploads/1/3/1/3/131398252/xefujipisogupun_kasabiv.pdf
- http://relepaz.stmaryandstpeterstaines.co.uk/uploads/1/3/2/6/132681352/34e56a1.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/gabriel_s_oboe_ennio_morricone_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0435/6784/1443/files/72066010240.pdf
- https://cdn.shopify.com/s/files/1/0435/8569/9997/files/30042220105.pdf
- https://cdn.shopify.com/s/files/1/0431/3654/9018/files/misovugo.pdf
- https://cdn.shopify.com/s/files/1/0429/1703/6198/files/wodarovidilurefupegesilad.pdf
- https://cdn.shopify.com/s/files/1/0433/9728/3992/files/jesus_of_nazareth_benedict_xvi.pdf
- https://cdn.shopify.com/s/files/1/0433/5045/8520/files/diablo_2_power_leveling.pdf
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/30900096572.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2494/files/65346052780.pdf
- https://cdn.shopify.com/s/files/1/0429/9459/8047/files/mutaxadupetivogafewexig.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/rapaledofosivewob.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_off00004484.bin197f9de56c240b829231702517d18112cf6241ebcab31821001b68ceef6e6084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4484 | 5376 bytes |
font_01_sfnt_off000056c0.bin2ee445678da6e0e0f6477d7d0c6e34e4065dd54d6d50f0f5514709c8519020c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56C0 | 10008 bytes |
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