MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to PDF files hosted on Shopify and other domains, forming a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=improve+confidence+pdf', is flagged as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for further exploitation or phishing.
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=improve+confidence+pdf
- http://files.backline-eng.com/uploads/1/3/1/8/131859895/gokijifinafogur.pdf
- http://files.meghanfoleyyoga.com/uploads/1/3/1/6/131637409/nowax.pdf
- http://files.prettybauble.com/uploads/1/3/0/7/130739480/6f87809a7a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/rudens_plauto.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/negopolikutowuz.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/zelagekubipuwujugeremoki.pdf
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/31574558118.pdf
- https://cdn.shopify.com/s/files/1/0438/9850/3336/files/85115587906.pdf
- https://cdn.shopify.com/s/files/1/0433/3626/9983/files/blender_2._8_shortcut_keys.pdf
- https://cdn.shopify.com/s/files/1/0437/5881/3333/files/24681081565.pdf
- https://cdn.shopify.com/s/files/1/0430/4053/8773/files/gadafuzepojot.pdf
- https://cdn.shopify.com/s/files/1/0438/1641/9488/files/maditoluvajorofokosugi.pdf
- https://cdn.shopify.com/s/files/1/0433/8935/4142/files/gerewiposakujoguripudu.pdf
- https://cdn.shopify.com/s/files/1/0436/9943/7721/files/java_stream_filter.pdf
- https://cdn.shopify.com/s/files/1/0433/8191/5798/files/fuwejubatululazixeboza.pdf
- https://cdn.shopify.com/s/files/1/0429/1349/7251/files/42084194416.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_off00006356.bin69bf13d436d452c97b4243e848e253f88ede48ac981192f58b35b5e410255155 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6356 | 4876 bytes |
font_01_sfnt_off000073e2.bin26679b204821a4e8e910a872ecd3ea51ab56f6cd88fa6e2a87bb71d67d25a5f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E2 | 9992 bytes |
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