MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector. The presence of a large link farm suggests an attempt to distribute malicious content or phishing lures.
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.ru/pify?keyword=ucsc+cmps+112
- http://paxile.pattyspetalsgodfrey.com/uploads/1/3/2/8/132814343/vumirodazisoj.pdf
- http://files.historydbqs.com/uploads/1/3/1/1/131163613/2df583a049.pdf
- http://dosasero.cotonevineyards.com/uploads/1/3/1/0/131070374/gitigaforigije-dewafebanil.pdf
- http://files.headstrongoffroad.com/uploads/1/3/1/3/131379443/ab4dc348efe48.pdf
- https://cdn.shopify.com/s/files/1/0429/3135/5807/files/linevoxuwekizi.pdf
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/camera_lenses_for_android_phones.pdf
- https://cdn.shopify.com/s/files/1/0431/7960/6176/files/49811493175.pdf
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/tufowabof.pdf
- https://cdn.shopify.com/s/files/1/0428/2990/6079/files/12468413778.pdf
- https://cdn.shopify.com/s/files/1/0429/0733/6857/files/area_formula_for_shapes.pdf
- https://cdn.shopify.com/s/files/1/0429/1674/1286/files/zasedanowexutel.pdf
- https://cdn.shopify.com/s/files/1/0427/8052/4710/files/tumezajiwafituti.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/78954241962.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/dozisefovama.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_off00005ca3.bin123537eff8f5f8596143c2db01dac857f4f0da5a78f8fd87ab68dce74716ffe3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA3 | 4916 bytes |
font_01_sfnt_off00006d58.bin125280d500c326b48dd9cec000c6dc1be193d72eff29f0d0be3b7da001b30693 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D58 | 10420 bytes |
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