MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to physics exercises and the authoring application, suggesting a lure to disguise malicious links. The presence of a large number of external PDF links further supports the SEO spam or link farm hypothesis.
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/pify?keyword=exercices+corrig%2525C3%2525A9s+sur+les+forces+en+physique+3eme+pdf
- http://files.holt-art.com/uploads/1/3/0/7/130775936/mejajosadosidu-tigibajigomed.pdf
- http://nidovuri.mammothmosaic.com/uploads/1/3/1/4/131437044/2266482.pdf
- http://danukut.debbiehayesgallagher.com/uploads/1/3/1/4/131437774/waroxavap.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5928/1048/files/25752803851.pdf
- https://cdn.shopify.com/s/files/1/0437/9312/1442/files/xewedanawaroxi.pdf
- https://cdn.shopify.com/s/files/1/0429/9731/7783/files/kofazusexevepen.pdf
- https://cdn.shopify.com/s/files/1/0428/5621/8780/files/accents_in_french.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68905528383.pdf
- https://cdn.shopify.com/s/files/1/0437/5543/8234/files/punjabi_kabootar_ki_photo.pdf
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/wubupotebariwukimolim.pdf
- https://cdn.shopify.com/s/files/1/0445/1424/6815/files/whirlpool_oven_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/wobizi.pdf
- https://cdn.shopify.com/s/files/1/0438/4178/1920/files/76977385019.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_off00005c25.bin45545c65735eb59a9f705206f5386b21cdfa6826b491dc0a0bf807cd7064d29f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C25 | 5916 bytes |
font_01_sfnt_off00006fe5.bin62b784c5ce1754e3f48a3c91972b0395abb931821271649d7fdf4166249bf71e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE5 | 11424 bytes |
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