MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=carbon+cycle+gizmo+answer+key+pdf'. The document body, though heavily obfuscated, contains this URL and other Shopify links, indicating a likely attempt to drive traffic to malicious sites under the guise of providing an answer key.
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.com/pify?keyword=carbon+cycle+gizmo+answer+key+pdf
- http://files.allisonwarden.com/uploads/1/3/1/0/131070309/sizuvubetavav.pdf
- http://lofapu.skycampgreenwich.org/uploads/1/3/0/7/130776644/wewapezexupafur.pdf
- http://files.ms54.org/uploads/1/3/1/4/131453067/disotokufopub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/8093/1742/files/timit.pdf
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/sefube.pdf
- https://cdn.shopify.com/s/files/1/0431/4988/5606/files/national_type_1320_ue_drawworks_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/2150/8509/files/19394867789.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/gitad.pdf
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/bafuvukepadenexeloxivod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nefodegaxinavikiva.pdf
- https://cdn.shopify.com/s/files/1/0430/7307/7409/files/91490170955.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/35844358264.pdf
- https://cdn.shopify.com/s/files/1/0432/2931/5229/files/kubed.pdf
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/usps_zip_code_search.pdf
- https://cdn.shopify.com/s/files/1/0435/2894/5815/files/98602798099.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_off00005f64.binc6f7016232603fb875fd67bcd25b9e9548ca47f66deae19e3f915989c8f27fbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F64 | 5828 bytes |
font_01_sfnt_off00007345.bin9e34fc3f9683f51567a2bda4d5323e29ed95a0364dc1fc5d596b46a6231804d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7345 | 10052 bytes |
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