MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. The document body, though heavily obfuscated, contains the same URL and references to academic content, suggesting a lure to drive traffic to malicious infrastructure. The heuristic PDF_SEO_LINK_FARM indicates a mass link farm, further supporting the malicious redirection attempt. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
-
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.
-
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.
-
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/wb?keyword=first%20order%20low%20pass%20butterworth%20filter%20using%20op-amp%20pdf
- http://files.arabicwithnadia.com/uploads/1/3/1/4/131407549/5607946.pdf
- http://files.talgolani.com/uploads/1/3/0/7/130776498/32ad234bbaadc.pdf
- http://files.carlwoodsbutchers.co.uk/uploads/1/3/1/0/131071129/a40f38f9.pdf
- http://zejopok.huntmyideas.com/uploads/1/3/2/7/132710621/59925bde8868698.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/66739503755.pdf
- https://cdn.shopify.com/s/files/1/0429/5540/7511/files/kibulinezigemomibupoja.pdf
- https://cdn.shopify.com/s/files/1/0432/4071/8493/files/jawusisanetiluvidu.pdf
- https://cdn.shopify.com/s/files/1/0429/7015/3113/files/37650723678.pdf
- https://cdn.shopify.com/s/files/1/0434/1491/3191/files/xulofuvurufitej.pdf
- https://cdn.shopify.com/s/files/1/0440/7004/3813/files/88515108286.pdf
- https://cdn.shopify.com/s/files/1/0447/6495/4775/files/ds_cia_games.pdf
- https://cdn.shopify.com/s/files/1/0435/1816/5146/files/1733230667.pdf
- https://cdn.shopify.com/s/files/1/0439/2235/8427/files/45653543334.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9715790575.pdf
- https://cdn.shopify.com/s/files/1/0436/3337/7440/files/19913196195.pdf
- https://cdn.shopify.com/s/files/1/0435/0446/8134/files/54212110852.pdf
- https://cdn.shopify.com/s/files/1/0431/2950/3908/files/68049019131.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000820f.bindda40e53e0f1551bfbfd4d208da85d57b00bb8017187e0d0f17ffdf3fc05c092 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x820F | 5672 bytes |
font_01_sfnt_off00009544.bin011ee3acb06e6c6f20b1b316a15779180dca90fdd2e371a87ccb5ddb4f0de941 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9544 | 14604 bytes |
font_02_sfnt_off0000c4b2.bina9f7946c6fb1d9a56c6cb1188e7327a1cde7cd9d6d2f72310ea27776ea41e62e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B2 | 16148 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.