MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body itself contains obfuscated text and multiple links, including one that points to a Shopify domain, suggesting a link farm or content delivery network used to host further malicious payloads. The ML classifier strongly indicated maliciousness.
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=auditor%25C3%25ADa+de+los+sistemas+de+informaci%25C3%25B3n
- http://files.redirectnews.com/uploads/1/3/1/6/131606069/ff780e5.pdf
- http://fexelo.catinc.org/uploads/1/3/2/6/132681445/90fa8fc8af02.pdf
- http://files.stephaniebien.com/uploads/1/3/1/6/131637016/25b0383a87630e.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3586/files/jegumafepizijepoduzewe.pdf
- https://cdn.shopify.com/s/files/1/0461/8924/8663/files/sourcemod_1._9.pdf
- https://cdn.shopify.com/s/files/1/0437/0956/3035/files/86813560341.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vijufetibumumupaxewaromuw.pdf
- https://cdn.shopify.com/s/files/1/0439/8232/3870/files/nupiwuvepidedonoxegosako.pdf
- https://cdn.shopify.com/s/files/1/0448/5578/7681/files/habanera_carmen_coro.pdf
- https://cdn.shopify.com/s/files/1/0437/2565/2117/files/25648978197.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/vobutup.pdf
- https://cdn.shopify.com/s/files/1/0452/6155/3825/files/kjv_bible_for_mac_free.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9128/files/73732947157.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.bin1d70f3f7caeec499094ea02dd4c51f351e85d63b6c241ea1b6829ef7e0694344 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA3 | 5348 bytes |
font_01_sfnt_off00006e74.binffb75c4d7eae26a0e986b7b0cb0328ade7583ff37f1e2827dcd965ec7ec9bba5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E74 | 11120 bytes |
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