MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=gmat+practice+test+pdf+2017`. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise the malicious link. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content.
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=gmat+practice+test+pdf+2017
- http://diroxa.glenntxoil.com/uploads/1/3/0/7/130775027/8096631.pdf
- http://zojafevos.newenglandcanna.com/uploads/1/3/1/4/131407355/8195679.pdf
- http://files.evetherapy.com/uploads/1/3/1/0/131070187/d36287707b788.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/21120899573.pdf
- https://cdn.shopify.com/s/files/1/0429/4007/2102/files/dorosigefejow.pdf
- https://cdn.shopify.com/s/files/1/0433/2896/2715/files/history_of_burma_in_urdu.pdf
- https://cdn.shopify.com/s/files/1/0440/5536/3734/files/jibelijabumap.pdf
- https://cdn.shopify.com/s/files/1/0429/3722/1276/files/silekejubawofajetet.pdf
- https://cdn.shopify.com/s/files/1/0436/4389/5966/files/wotamezarifobikotatize.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/52325930971.pdf
- https://cdn.shopify.com/s/files/1/0435/4863/9391/files/john_taylor_classical_mechanics_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40169505762.pdf
- https://cdn.shopify.com/s/files/1/0428/1538/9855/files/18028077937.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e013.bin3603dce03f2127548af0c046fbc2d19d9c3421a673f6c7379062b9b6435361d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE013 | 5280 bytes |
font_01_sfnt_off0000f210.bin6fc3fc4dc8e53f523c747b9968f96bc08c0f94a78f948ec8cb284c25b30dba11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF210 | 13948 bytes |
font_02_sfnt_off00011ebe.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBE | 4324 bytes |
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