MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with the primary link directing to a known malicious redirector. The document body, though partially corrupted, contains text related to learning French and the URL itself, suggesting a lure to entice users to click the malicious link. The ML classifier strongly indicated maliciousness, and the presence of numerous links points to a link farm or redirection strategy.
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=aprender+frances+con+pronunciacion+escrita+pdf
- http://files.pawsitive-dog-training.com/uploads/1/3/2/7/132740377/6fd1ba.pdf
- http://files.lovingtonfire.com/uploads/1/3/2/6/132695663/fosogedawajirobax.pdf
- http://files.nod-production.de/uploads/1/3/0/7/130776118/3864674.pdf
- http://files.callieraebowtique.com/uploads/1/3/1/8/131857758/fcade0e16cff3d.pdf
- https://cdn.shopify.com/s/files/1/0441/4029/8392/files/surat_al_kahfi_latin.pdf
- https://cdn.shopify.com/s/files/1/0431/6807/1836/files/75223527653.pdf
- https://cdn.shopify.com/s/files/1/0435/2350/6336/files/5221870582.pdf
- https://cdn.shopify.com/s/files/1/0432/7555/0876/files/kanajuk.pdf
- https://cdn.shopify.com/s/files/1/0434/0695/0557/files/classification_of_african_languages.pdf
- https://cdn.shopify.com/s/files/1/0432/6601/5400/files/various_forms_of_energy.pdf
- https://cdn.shopify.com/s/files/1/0432/8246/4928/files/5263752914.pdf
- https://cdn.shopify.com/s/files/1/0434/5489/0149/files/leropepuzimofir.pdf
- https://cdn.shopify.com/s/files/1/0438/4201/1293/files/geometric_sequence_kuta_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/7998/2492/files/pool_of_tribute_extreme.pdf
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/98351018510.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_off00007530.bind016b123daa61377a95ff7bdf271da632a3fac0b72e21d71b8105ec5b230ed57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7530 | 5104 bytes |
font_01_sfnt_off000086a1.bin9c64457b39422828dd1dda94ab88318ace168267cebb5220f4504dc0cd64e88c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A1 | 12920 bytes |
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