MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains text related to 'Android studio tutorial pdf 2018' and the malicious URL, suggesting a lure to disguise the malicious intent. 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=android+studio+tutorial+pdf+2018
- http://files.seminlee.com/uploads/1/3/2/6/132681062/b62f0fe7.pdf
- http://files.acadia-aquafarms.com/uploads/1/3/0/7/130775062/mijipopokopivi.pdf
- https://cdn.shopify.com/s/files/1/0439/3612/0990/files/ziwoweguvesowovire.pdf
- https://cdn.shopify.com/s/files/1/0428/7257/0012/files/demographic_transition_model_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/0900/0103/files/crucial_ssd_clone.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12339474235.pdf
- https://cdn.shopify.com/s/files/1/0433/2129/5006/files/tinkers_alien_modifier.pdf
- https://cdn.shopify.com/s/files/1/0434/6675/2164/files/96493218457.pdf
- https://cdn.shopify.com/s/files/1/0433/9276/2006/files/technical_interview_questions_on_java_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/3505/7566/files/keguxikazunogamujepini.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/fazedofobovo.pdf
- https://cdn.shopify.com/s/files/1/0440/6499/7526/files/lolaxevipigi.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_off00006017.bin169b3ca65fbd6a08cadcde78b240dbb5db28c86448c531e14438e8b866f61664 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6017 | 5544 bytes |
font_01_sfnt_off000072fb.bindba8d3036b7b928cee0699e7978ee2ae0af6a32992fc843b35e86b869a8f4571 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72FB | 10356 bytes |
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