MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure via the URL https://ttraff.com/pify?keyword=apprendre+%25C3%25A0+dessiner+pdf. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources, including several on cdn.shopify.com. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL, suggesting an attempt to lure users into clicking malicious links.
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+%25C3%25A0+dessiner+pdf
- http://files.aandnlawn.com/uploads/1/3/0/7/130775475/4511354.pdf
- http://werakege.pacificcountycovid19.com/uploads/1/3/0/7/130739415/4362545.pdf
- http://files.santafechamber.com/uploads/1/3/1/3/131398517/3d9c05059.pdf
- http://files.monsoonblooms.com/uploads/1/3/1/6/131606636/purikulev_garirava_jefis_devitebi.pdf
- https://cdn.shopify.com/s/files/1/0438/4089/7174/files/act_3_scene_2_hamlet.pdf
- https://cdn.shopify.com/s/files/1/0432/9861/9557/files/xawenafiwafuruwos.pdf
- https://cdn.shopify.com/s/files/1/0448/9651/8299/files/25517016995.pdf
- https://cdn.shopify.com/s/files/1/0437/7480/4126/files/magev.pdf
- https://cdn.shopify.com/s/files/1/0430/5872/5018/files/sotisobopud.pdf
- https://cdn.shopify.com/s/files/1/0430/8588/9689/files/fatal_no_such_remote_origin.pdf
- https://cdn.shopify.com/s/files/1/0433/9063/2092/files/16402265531.pdf
- https://cdn.shopify.com/s/files/1/0431/5581/6608/files/tikalosopekumigep.pdf
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/pdf_of_mixture_and_alligation_problems_for_competitive_exams.pdf
- https://cdn.shopify.com/s/files/1/0433/6068/2139/files/21750739314.pdf
- https://cdn.shopify.com/s/files/1/0439/4418/1928/files/kirarufolejivasutunol.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_off0000893c.bin3c2b174ff91e95d92479ff8acfacd6c2e8b10050f43d98769aa05df9a4fdf04d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x893C | 5016 bytes |
font_01_sfnt_off00009a5a.binfd3c8e6c96a68b24e5e181ec6dd96867402e13bd467ded8685b4926a21cca83e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A5A | 12256 bytes |
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