MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded URLs, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing a 'resignation letter template' and the malicious URL. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or redirection attempt. The ML classifier strongly supports the malicious nature of the PDF.
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=simple+resignation+letter+template+free
- http://files.chrisrossarthur.com/uploads/1/3/1/1/131163932/17ea4e.pdf
- http://files.shangrilacenterforhealing.com/uploads/1/3/1/4/131483317/6277764.pdf
- http://rupap.palladinohomeinspection.com/uploads/1/3/1/4/131406717/3ce555912cccb.pdf
- https://cdn.shopify.com/s/files/1/0429/2286/8892/files/functional_communication_training.pdf
- https://cdn.shopify.com/s/files/1/0453/8961/1176/files/maxibemiponal.pdf
- https://cdn.shopify.com/s/files/1/0437/9875/7538/files/autonomous_driving_system.pdf
- https://cdn.shopify.com/s/files/1/0431/0132/3421/files/waldorf_curriculum.pdf
- https://cdn.shopify.com/s/files/1/0433/8096/5534/files/89003402708.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/22274291699.pdf
- https://cdn.shopify.com/s/files/1/0433/8135/8759/files/bedingungsloses_grundeinkommen_vor_und_nachteile.pdf
- https://cdn.shopify.com/s/files/1/0438/6340/8795/files/78538015985.pdf
- https://cdn.shopify.com/s/files/1/0448/1217/3463/files/26720218418.pdf
- https://cdn.shopify.com/s/files/1/0437/6294/2101/files/perimeter_and_area_worksheets_grade_6.pdf
- https://cdn.shopify.com/s/files/1/0439/2786/3464/files/74053550902.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_off00007a66.bin3e719bca7774c0a19a6da1b925b1af363c4c87df38e58b14c5bb5696d6f6eeda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A66 | 5324 bytes |
font_01_sfnt_off00008c64.bin1fde71d97cea1f7fef07ff05bfea6364d5a848fc60d86cab3c2c798ea9e5199d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C64 | 12072 bytes |
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