MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=public+relations+pdf+book'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including one to 'https://cdn.shopify.com/s/files/1/0438/8916/4440/files/minecraft_pe_0._13._0_seed.pdf'. The document body, though heavily obfuscated, contains the text 'Public relations pdf book' and the malicious URL, reinforcing the lure.
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=public+relations+pdf+book
- http://files.identefamilyusa.org/uploads/1/3/0/7/130738769/watid.pdf
- http://files.pierrepaulbitton.net/uploads/1/3/2/7/132712447/jutapolopalozonorap.pdf
- http://files.sequimbeacon.org/uploads/1/3/1/4/131438658/165607.pdf
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/minecraft_pe_0._13._0_seed.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/nituzofatuxotid.pdf
- https://cdn.shopify.com/s/files/1/0431/4015/3511/files/practice_cutting_pages.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4266/files/soraralosukejejizuzes.pdf
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/90264498390.pdf
- https://cdn.shopify.com/s/files/1/0437/2230/9786/files/les_ampli_op.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9379/files/43028580197.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/introduction_to_exploratory_data_analysis.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4804/files/biblia_cronologica_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/27456029839.pdf
- https://cdn.shopify.com/s/files/1/0435/3196/0474/files/gopibokufuxo.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_off000093ab.bin680030bc955fb975169ac6e2c31856891acf8f26d7f1fda4d51e0f49c4e71229 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93AB | 5356 bytes |
font_01_sfnt_off0000a5e6.bin685ee91fc085226fec8497e4059b8b6015b721b9a02816ee9a4f952c3ed89037 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5E6 | 15840 bytes |
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