MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Driver booster v1 3'. The presence of multiple external PDF links suggests a link farm or SEO poisoning attempt 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=driver+booster+v1+3
- http://files.mountainthymebb.com/uploads/1/3/2/7/132740951/baligu.pdf
- http://files.littleemshop.com/uploads/1/3/1/8/131858044/6578c868737b5c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/0836/8545/files/hoboken_nj_zip.pdf
- https://cdn.shopify.com/s/files/1/0438/5954/2176/files/44418997787.pdf
- https://cdn.shopify.com/s/files/1/0432/7207/7475/files/aptitude_questions_and_answers_for_ece.pdf
- https://cdn.shopify.com/s/files/1/0433/3063/3881/files/25591461263.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/gavumawipanoxo.pdf
- https://cdn.shopify.com/s/files/1/0432/7083/2291/files/gumamomovobuxekedabawi.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/43988142080.pdf
- https://cdn.shopify.com/s/files/1/0431/2072/2080/files/list_of_advertising_agencies_in_mumbai.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_off0000615f.bin8c53c35ef57e8e2225769ca9ee68122de234d8119f6d7ec9a466f50c3844ecac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615F | 4532 bytes |
font_01_sfnt_off000070ec.bincf8cd27667aa180a7c0453a8ad5e86e78d37848ef8a7d2ebacc4873e92214bd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70EC | 10856 bytes |
font_02_sfnt_off00009589.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9589 | 4324 bytes |
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