MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, many of which are part of a link farm designed to appear as legitimate search results for technical documents. One prominent link, disguised as a search result for 'analysis of algorithms an active learning approach 2nd edition pdf', redirects through 'ttraff.com', a known malicious redirector. This suggests a social engineering tactic to lure users to malicious infrastructure under the guise of providing academic or technical content.
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.com/pify?keyword=analysis+of+algorithms+an+active+learning+approach+2nd+edition+pdf
- http://files.cts44.com/uploads/1/3/0/8/130815014/bisixerazum.pdf
- http://files.acc-hsg.org/uploads/1/3/1/4/131452842/9134435.pdf
- http://files.airestdion.com/uploads/1/3/0/9/130969260/a04e805.pdf
- http://nuwixunun.nmctkd.com/uploads/1/3/1/4/131438137/5394653.pdf
- http://files.hosannadance.com/uploads/1/3/1/4/131406068/wepetozem.pdf
- https://cdn.shopify.com/s/files/1/0429/0461/7119/files/40401714663.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/42841261777.pdf
- https://cdn.shopify.com/s/files/1/0439/0558/1211/files/vevawobatinomet.pdf
- https://cdn.shopify.com/s/files/1/0447/3444/7770/files/hibbeler_dynamics_14th_edition_solutions.pdf
- https://cdn.shopify.com/s/files/1/0431/0794/2549/files/lefozozabekefowixoxuwenag.pdf
- https://cdn.shopify.com/s/files/1/0430/7678/0192/files/60408377034.pdf
- https://cdn.shopify.com/s/files/1/0432/7361/7576/files/18378426603.pdf
- https://cdn.shopify.com/s/files/1/0431/5702/9018/files/2008_odyssey_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/2753/6799/files/zalozanuzavisegupejod.pdf
- https://cdn.shopify.com/s/files/1/0431/0571/4338/files/89907773979.pdf
- https://cdn.shopify.com/s/files/1/0437/5740/4318/files/41657769869.pdf
- https://cdn.shopify.com/s/files/1/0431/6479/5044/files/vejumabagon.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zabaravoxetifup.pdf
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/kamudaf.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_off00004ddc.bin5a8a3e25ff7f6270710bcc30e87cd503aafb23dd6195d72faa83cea5b7f9927e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DDC | 5852 bytes |
font_01_sfnt_off000061b9.bindb29e61099c7db56d477fba720eb1f446abe70c3544e79ab59811a78c581473c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B9 | 10068 bytes |
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