MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.cc. The document body, though heavily obfuscated, contains text related to 'calculus by swokowski 6th edition pdf download' and the malicious redirector URL, suggesting a lure to trick users into downloading potentially malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.cc/pify?keyword=calculus+by+swokowski+6th+edition+pdf+download
- http://files.lagom-online.com/uploads/1/3/0/7/130775191/tobaxowex-rufofevux-tabovesilimi.pdf
- http://files.colleyvillecarpetcleaners.com/uploads/1/3/1/4/131437476/xutobozafugilira.pdf
- http://velaluz.deeperintolife.com/uploads/1/3/0/8/130814328/e00d3.pdf
- http://files.owtheatre.com/uploads/1/3/0/7/130775737/vasunabimigavozag.pdf
- http://files.jacklechon.com/uploads/1/3/1/3/131379923/juximarekinef.pdf
- https://cdn.shopify.com/s/files/1/0430/4230/8250/files/casting_process_defects.pdf
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/nuduruzomi.pdf
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/21530177252.pdf
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/mazop.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/87855132065.pdf
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/tanezazuzifivesafefom.pdf
- https://cdn.shopify.com/s/files/1/0432/8570/8953/files/7234673496.pdf
- https://cdn.shopify.com/s/files/1/0430/0213/4681/files/zoxozuliji.pdf
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/8375347409.pdf
- https://cdn.shopify.com/s/files/1/0432/7201/1931/files/wulafu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/febipak.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojedeteremedadedarovir.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_off00005251.bin353ad3c3c7ae9739c2556734d792f73f69564b4159a41c92d4db516bbec48c81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5251 | 5604 bytes |
font_01_sfnt_off00006572.bincd4696b961cdc9bcc149ef1d6edb6e99641c4e74b5ef4929e15768cf0cd8bc03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6572 | 10136 bytes |
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