MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to a redirector service. The ML classifier strongly indicates maliciousness, and the presence of a malicious redirector URL suggests an attempt to lead users to harmful content. The document body itself is heavily obfuscated and contains what appears to be a list of URLs, reinforcing the link farm heuristic.
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=12+major+scales+alto+sax+pdf
- http://gagetuno.irishephotography.net/uploads/1/3/1/6/131606727/rutosexoteni_sopirirodufus.pdf
- http://files.learnabouthmong.net/uploads/1/3/2/7/132740852/8879488.pdf
- http://files.nourishdiy.com/uploads/1/3/1/0/131070559/bomala.pdf
- http://files.jenniferwyatt.ca/uploads/1/3/0/9/130969474/tugeded.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/1886/0190/files/97406473743.pdf
- https://cdn.shopify.com/s/files/1/0436/8531/4715/files/javafx_change_scene.pdf
- https://cdn.shopify.com/s/files/1/0431/6610/5759/files/58915459057.pdf
- https://cdn.shopify.com/s/files/1/0429/0206/1215/files/curso_de_adestramento_canino.pdf
- https://cdn.shopify.com/s/files/1/0432/7948/3048/files/mobalo.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/vasaludu.pdf
- https://cdn.shopify.com/s/files/1/0430/8015/5289/files/bukoga.pdf
- https://cdn.shopify.com/s/files/1/0430/8077/7882/files/silevadereba.pdf
- https://cdn.shopify.com/s/files/1/0435/1347/9320/files/83385393381.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057ae.bin94e4fa650be393af5502d2ee69aac8a66c775c5bc4910bf6e842107c235c139e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57AE | 5536 bytes |
font_01_sfnt_off00006a75.bin67a58e21295046b51510fcb004b174278aa0b65a0eba68a45e8cd7389a474029 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A75 | 9940 bytes |
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