MALICIOUS
150
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 external resources, indicating a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=idalberto+chiavenato+livros'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a lure to download further content. The presence of numerous PDF links and the ML classifier's high confidence score support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/pify?keyword=idalberto+chiavenato+livros
- http://rigoxo.kovanis.com/uploads/1/3/0/7/130775403/4026132.pdf
- http://gewofadiv.1984hair.com/uploads/1/3/0/7/130740055/teruz_gerer_kopopegure_zofogakaku.pdf
- http://files.needsmacnow.com/uploads/1/3/0/9/130969364/monugowa.pdf
- https://cdn.shopify.com/s/files/1/0433/0645/1094/files/traducir_archivo_de_ingles_a_espaol_gratis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/winoxilerudizixadejugo.pdf
- https://cdn.shopify.com/s/files/1/0429/5573/5199/files/vetifupebibaxodubifixideg.pdf
- https://cdn.shopify.com/s/files/1/0430/8067/9577/files/pukuv.pdf
- https://cdn.shopify.com/s/files/1/0438/7130/5896/files/depedotolife.pdf
- https://cdn.shopify.com/s/files/1/0437/6359/7473/files/contoh_putusan_arbitrase.pdf
- https://cdn.shopify.com/s/files/1/0431/9825/1165/files/8431334909.pdf
- https://cdn.shopify.com/s/files/1/0439/1269/1867/files/96257864907.pdf
- https://cdn.shopify.com/s/files/1/0431/1829/7245/files/bulode.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3486/files/51282946475.pdf
- https://cdn.shopify.com/s/files/1/0431/9461/3924/files/63257425403.pdf
- https://cdn.shopify.com/s/files/1/0431/5165/5061/files/60575413064.pdf
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/lore_of_the_bloodlines_download.pdf
- https://cdn.shopify.com/s/files/1/0429/1418/5372/files/xazafukilejasiboxifopis.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_off00005876.bina23afaf8753a864779911829d1a8c60d5c4b51edf6b6b8eab8e0a11384518a24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5876 | 5164 bytes |
font_01_sfnt_off000069fa.bin6053b11bf84fcf650dafcdb5e9a97445946f7107175b010be5ab95d91020b23c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69FA | 12760 bytes |
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