MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link directs to a known malicious redirector at https://ttraff.ru/pify. The document body, though heavily obfuscated, contains references to 'californication chords pdf', suggesting a lure to disguise the malicious intent. The primary attack pattern involves redirecting users to malicious infrastructure.
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.ru/pify?keyword=californication+chords+pdf
- http://files.nicholasliwag.com/uploads/1/3/1/0/131070911/76d4c.pdf
- http://kosap.grlsystems.com/uploads/1/3/1/6/131637309/dizimowapuxenekin.pdf
- http://files.slitefitnessapparel.com/uploads/1/3/0/7/130740586/4da7f7.pdf
- http://ruzoriteg.mindsetcoachconsult.com.au/uploads/1/3/0/7/130775868/8638057.pdf
- http://files.rhondastruminger.net/uploads/1/3/1/0/131071076/1562942.pdf
- https://cdn.shopify.com/s/files/1/0437/3689/1544/files/vipujevoku.pdf
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/halo_online_mods.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54313135065.pdf
- https://cdn.shopify.com/s/files/1/0434/0223/1971/files/70140367097.pdf
- https://cdn.shopify.com/s/files/1/0439/2858/4347/files/33584753787.pdf
- https://cdn.shopify.com/s/files/1/0429/6117/4687/files/54097565903.pdf
- https://cdn.shopify.com/s/files/1/0434/0894/9402/files/tukosodik.pdf
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/najaxur.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/bijivax.pdf
- https://cdn.shopify.com/s/files/1/0435/8576/5535/files/tunadoxaxovedenowo.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_off00006946.bin2479d9d97e2ff0f46becb3724bdfec97f8187cd0d90e2c07deafa6989ed5e358 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6946 | 5148 bytes |
font_01_sfnt_off00007ac1.bin6b93e1767fc6cf0dc513968c72a8c4e221ccfd64d5d3c7363f644d56e06251cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC1 | 14552 bytes |
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