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, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One of the primary links points to a known malicious redirector, ttraff.com, which is configured with a search query for 'siemens openstage 15 hfa manuale italiano'. This suggests a phishing or social engineering lure. The ML classifier also strongly indicated maliciousness.
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.com/wb?keyword=siemens%20openstage%2015%20hfa%20manuale%20italiano
- http://files.quasilocum.com/uploads/1/3/2/7/132740606/pipazamaviduz_joxobiparor.pdf
- http://files.vintagepercussionsoundeffects.com/uploads/1/3/2/6/132680901/84e4a699a.pdf
- http://files.pearwinkle.com/uploads/1/3/2/6/132682974/954fd8a4.pdf
- https://cdn.shopify.com/s/files/1/0432/4658/3976/files/40090294142.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/ziwupurafov.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66691602327.pdf
- https://cdn.shopify.com/s/files/1/0434/3182/1473/files/38558184636.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunazazaxukatokezidabu.pdf
- https://cdn.shopify.com/s/files/1/0430/6318/1473/files/12750986032.pdf
- https://cdn.shopify.com/s/files/1/0438/0069/0848/files/sewing_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93016620893.pdf
- https://cdn.shopify.com/s/files/1/0429/3846/6471/files/crp_blood_test_normal_values.pdf
- https://cdn.shopify.com/s/files/1/0429/6749/8911/files/62736985275.pdf
- https://cdn.shopify.com/s/files/1/0435/8438/9275/files/tidad.pdf
- https://cdn.shopify.com/s/files/1/0434/9313/0390/files/8895608848.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_off00005910.bin3d28d2796303637e9ae7f450e7a73c21d4d07199b1d2331de0bfd0076e1c314a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5910 | 5500 bytes |
font_01_sfnt_off00006ba4.bin51922989399adbc5aa5f2c7605c0454a38dee24b35bf87d1c54c3ff94d2b38e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BA4 | 10792 bytes |
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