MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for a malicious redirector link, directing users to a URL that appears to be part of a link farm. The document body, though heavily obfuscated, contains the same malicious URL and other links to Shopify-hosted PDFs, suggesting a lure to download further content or visit malicious sites. The ML classifier strongly indicates maliciousness.
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=certified+ethical+hacker+cert+guide+pdf
- http://files.documentsresearch.net/uploads/1/3/2/6/132695530/morapejawes.pdf
- http://files.loudmouthofsl.com/uploads/1/3/0/7/130739542/sewebanibul_naxigi_pakalulo.pdf
- http://files.beoilsavvy.com/uploads/1/3/0/7/130775970/2c4d2bdb0172a.pdf
- http://files.comicbookposer.com/uploads/1/3/0/7/130776063/fb532.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/black_and_decker_gh900_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/43306096578.pdf
- https://cdn.shopify.com/s/files/1/0429/5986/3961/files/69329409162.pdf
- https://cdn.shopify.com/s/files/1/0432/9642/4096/files/81171969836.pdf
- https://cdn.shopify.com/s/files/1/0433/3027/3448/files/29273021840.pdf
- https://cdn.shopify.com/s/files/1/0437/1434/7160/files/dilabadisepimidul.pdf
- https://cdn.shopify.com/s/files/1/0434/4718/9670/files/jiripage.pdf
- https://cdn.shopify.com/s/files/1/0432/3406/6594/files/20284218901.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1336/files/6236909362.pdf
- https://cdn.shopify.com/s/files/1/0428/8738/1155/files/92831635460.pdf
- https://cdn.shopify.com/s/files/1/0432/6031/3763/files/learning_french_books.pdf
- https://cdn.shopify.com/s/files/1/0428/4825/6156/files/toliwutekivow.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fa5.binbed366a11d269cdce77aa35f99088ee16c73778f4c9aaa7510ba1acf3e8f5244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FA5 | 5208 bytes |
font_01_sfnt_off00007157.bin8b5c89c830064b97270fca4e973ed7ca5c4b56603f744c969014aedc37412ca1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7157 | 10568 bytes |
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