MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to tax documents, and the embedded URLs point to a link farm. The ML classifier also strongly flagged this PDF as malicious.
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=anexos+do+simples+nacional+2019+pdf
- http://labanan.philippecorriveau.com/uploads/1/3/2/3/132302780/dazok_gaguroruf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/disokirobusaxiwupitefipo.pdf
- https://cdn.shopify.com/s/files/1/0438/1474/8322/files/fallout_4_more_where_that_came_from.pdf
- https://cdn.shopify.com/s/files/1/0432/4855/0050/files/statistical_data_analysis_explained.pdf
- https://cdn.shopify.com/s/files/1/0429/2945/5271/files/memivajiv.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vabagibad.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0679/files/47971304072.pdf
- https://cdn.shopify.com/s/files/1/0430/3493/5447/files/49246443196.pdf
- https://cdn.shopify.com/s/files/1/0435/9267/9582/files/babos.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34292265756.pdf
- https://cdn.shopify.com/s/files/1/0432/3534/4539/files/77392621414.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/answering_interview_questions_with_no_experience.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/95983619389.pdf
- https://cdn.shopify.com/s/files/1/0429/4646/1852/files/pufewe.pdf
- https://cdn.shopify.com/s/files/1/0433/6710/4668/files/galaxy_s5_driver.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000643e.bin8d7c9e20f2ed586ae556eca361601d03d5434eb83fd0b7aba439039ff7fa26d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x643E | 5744 bytes |
font_01_sfnt_off000077b8.binb260b216b3dde27e9eeb15a7dd414b1e18af19341c7f86c8ee89004223810976 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B8 | 15100 bytes |
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