MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.cc, disguised as a search result for sheet music. This indicates a phishing or scam attempt. The PDF also contains a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence suggest 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=reading+drum+sheet+music+for+beginners
- http://jotifajam.ramsclubswimming.org/uploads/1/3/1/3/131379808/daxipurefezes-daxisovus-pomujuduj.pdf
- http://files.richardhall.net/uploads/1/3/1/0/131071114/4681868.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0445/7860/3167/files/briggs_and_stratton_governor_adjustment.pdf
- https://cdn.shopify.com/s/files/1/0429/0222/5059/files/91101286777.pdf
- https://cdn.shopify.com/s/files/1/0462/6386/1405/files/koduxafibejovedujeru.pdf
- https://cdn.shopify.com/s/files/1/0436/0781/8398/files/tulotavanusozasirixeni.pdf
- https://cdn.shopify.com/s/files/1/0434/9739/0244/files/best_ios_7_cydia_tweaks.pdf
- https://cdn.shopify.com/s/files/1/0429/5688/2086/files/romironumopazebo.pdf
- https://cdn.shopify.com/s/files/1/0431/0073/3596/files/nitumesazopumufafa.pdf
- https://cdn.shopify.com/s/files/1/0429/8525/9159/files/julijuwowalonaxe.pdf
- https://cdn.shopify.com/s/files/1/0427/8488/2844/files/narevunetemibuvesirikize.pdf
- https://cdn.shopify.com/s/files/1/0431/4185/7448/files/kapasuzuku.pdf
- https://cdn.shopify.com/s/files/1/0434/6445/8405/files/hp_smart_array_advanced_pack_keygen.pdf
- https://cdn.shopify.com/s/files/1/0434/1799/3366/files/64901089542.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_off00009346.bin4d717a9ae7a9549187d91fe201dd8fcf64e091ee26647fc089e57a5ad0b9df35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9346 | 5552 bytes |
font_01_sfnt_off0000a5f2.binffe765fb06e3a1cc3a2a99e5203a20115323150eebc36da5a78857f35b4186fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5F2 | 10976 bytes |
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