MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high density of external links, many pointing to what appears to be a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.cc. The document body, though heavily obfuscated, contains the string 'Dark souls 2 invasion guide' and the malicious redirector URL, suggesting a lure for users interested in that topic. The presence of a malicious redirector link indicates the likely intent is to funnel users to a phishing page or a site hosting further malware. No scripts were extracted from this sample.
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=dark+souls+2+invasion+guide
- http://files.theideapublishing.com/uploads/1/3/1/3/131398268/732cfa5.pdf
- http://gadupulur.thecottonlickers.com/uploads/1/3/1/4/131453060/1183132.pdf
- http://files.theloftsorrento.com/uploads/1/3/1/1/131164456/5299139c50174.pdf
- http://wokogaser.mayaaruch.com/uploads/1/3/1/4/131453109/2092079.pdf
- http://files.horseclue.com/uploads/1/3/1/4/131455247/3231776.pdf
- https://cdn.shopify.com/s/files/1/0438/6498/1664/files/download_livro_temperamentos_transformados.pdf
- https://cdn.shopify.com/s/files/1/0435/9494/0573/files/sample_conclusion_lab_report_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0437/1588/7256/files/35028168689.pdf
- https://cdn.shopify.com/s/files/1/0429/7857/4490/files/64560892142.pdf
- https://cdn.shopify.com/s/files/1/0430/3503/3757/files/49282840980.pdf
- https://cdn.shopify.com/s/files/1/0434/8716/6628/files/65641770734.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/curso_de_violo_completo_em.pdf
- https://cdn.shopify.com/s/files/1/0430/1222/7225/files/ponifufifunivoloronug.pdf
- https://cdn.shopify.com/s/files/1/0437/2601/2567/files/79739443030.pdf
- https://cdn.shopify.com/s/files/1/0438/9833/9496/files/guteginodadodinabetupup.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_off00006b7b.bin62e6dce27790753b9d3432594f4e74ca3eb29d633a3cc4143b07735409e4a523 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7B | 5248 bytes |
font_01_sfnt_off00007d72.binaa5925a38be569cc01554045502d508871b069223c4fb5a1db2ebedac2b13114 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D72 | 11172 bytes |
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