MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary redirector URL being https://ttraff.cc/wb?keyword=question%20words%20exercises%20intermediate%20pdf. This heuristic, combined with the ML classifier flagging the document as malicious, strongly suggests a phishing or malware distribution attempt. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.
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.cc/wb?keyword=question%20words%20exercises%20intermediate%20pdf
- http://files.2018flyballnationals.org/uploads/1/3/0/7/130776268/kidipu-pevexutitumixo-zidelusowav-dugomuremere.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/sogasubifedopowa.pdf
- https://cdn.shopify.com/s/files/1/0427/9471/3244/files/sawogeteserixugunupib.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9786/files/5951590987.pdf
- https://cdn.shopify.com/s/files/1/0431/7233/1675/files/35134328316.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/56859521066.pdf
- https://cdn.shopify.com/s/files/1/0429/7038/2490/files/42630077506.pdf
- https://cdn.shopify.com/s/files/1/0433/7093/8533/files/5436768323.pdf
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/53476444542.pdf
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/ribazewanuguxojexuxu.pdf
- https://cdn.shopify.com/s/files/1/0432/0870/4164/files/bassoon_orchestral_excerpts.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakoximowukod.pdf
- https://cdn.shopify.com/s/files/1/0434/8890/3325/files/8030269247.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_off0000507a.bind78021e3a4fcfaa7b2208842ec47cdb60797d839865adbdc8a1934ff0aadf949 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x507A | 5492 bytes |
font_01_sfnt_off00006321.bin6618fd15c6f58c2140078bc42a55a5932e59bf0863f9f2815ff6fa0069a4455d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6321 | 10028 bytes |
font_02_sfnt_off00008563.bin67fbccdfc1673e1f05ec910dc9703220f17c769013ad8a8c66a56881809b461c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8563 | 16096 bytes |
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