MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious infrastructure, indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL and text suggesting a lure for 'Apprendre le japonais pour les nuls pdf'. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
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=apprendre+le+japonais+pour+les+nuls+pdf
- http://files.ohiocensus.org/uploads/1/3/2/6/132682076/6433606.pdf
- http://files.confluencelawcenter.com/uploads/1/3/2/3/132303019/6974370.pdf
- http://files.holytrinityri.com/uploads/1/3/1/4/131453684/toroka.pdf
- http://files.ddsbeautysupply.com/uploads/1/3/1/0/131070393/gujezugupitava.pdf
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/billie_jean_bpm.pdf
- https://cdn.shopify.com/s/files/1/0429/5363/8044/files/lanafugagivetuveti.pdf
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/xiwezexirininotuwonel.pdf
- https://cdn.shopify.com/s/files/1/0435/5732/2903/files/serway_vuille_college_physics_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8277/files/64989357489.pdf
- https://cdn.shopify.com/s/files/1/0432/9196/7652/files/51313897488.pdf
- https://cdn.shopify.com/s/files/1/0428/4828/8934/files/2727292125.pdf
- https://cdn.shopify.com/s/files/1/0437/9171/2405/files/dazuwisemizalowokamegaja.pdf
- https://cdn.shopify.com/s/files/1/0435/3723/6119/files/fujovisozaxifigolo.pdf
- https://cdn.shopify.com/s/files/1/0440/9622/5432/files/tailoring_leveling_guide_vanilla.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/on_the_road_again_chords.pdf
- https://cdn.shopify.com/s/files/1/0432/9730/8840/files/somesit.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_off00008122.binee2e38ddb44590b8bbf761c66aff534cded585faa0768ded3f3129ea232e3574 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8122 | 5100 bytes |
font_01_sfnt_off0000928f.bin159e42a2eb9d47d1933bf39a38269d54da7b5ab26ac143a6afc6468427dc730d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x928F | 12156 bytes |
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