MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document exhibits malicious behavior through a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to known malicious infrastructure via the URL https://ttraff.com/pify?keyword=antologia+de+cuentos+colombianos+pdf. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external links, many hosted on cdn.shopify.com, which are likely part of a campaign to distribute malicious content or engage in SEO abuse. 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.com/pify?keyword=antologia+de+cuentos+colombianos+pdf
- http://files.earthboundgardens.com/uploads/1/3/1/8/131871701/gotonetun.pdf
- http://files.chel.com.au/uploads/1/3/0/8/130814774/1a1cf6f5d289.pdf
- http://files.kingguideservicearizona.com/uploads/1/3/0/7/130739510/5f70d99717cef.pdf
- http://files.mentoringfutureleaders.com/uploads/1/3/0/7/130775714/webolabuw_wusiden_pubopetolejefi_lekax.pdf
- https://cdn.shopify.com/s/files/1/0432/4350/3783/files/serifozuxamifi.pdf
- https://cdn.shopify.com/s/files/1/0434/7412/4950/files/71394890886.pdf
- https://cdn.shopify.com/s/files/1/0437/3164/8661/files/vepamuk.pdf
- https://cdn.shopify.com/s/files/1/0434/4800/8866/files/32554890632.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdf
- https://cdn.shopify.com/s/files/1/0432/2046/7869/files/sufex.pdf
- https://cdn.shopify.com/s/files/1/0433/7801/6421/files/43994678753.pdf
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/57511196461.pdf
- https://cdn.shopify.com/s/files/1/0434/3175/5932/files/wejepadoxofab.pdf
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/unir_archivos_en_uno_solo_gratis.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4366/files/13723707640.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_off00004ff0.bina83d0b875d640ec86328b93339b4ef776db4115b25e132b3592ad67b52217517 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FF0 | 5508 bytes |
font_01_sfnt_off0000629a.binc5e756ff312fa5ed0998c3d138e43602b8fc25d66d08682997eb99383160e6a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629A | 11136 bytes |
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