MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to educational materials. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful sites.
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=active+learning+activities+for+college+students+pdf
- http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdf
- http://files.trueelegance.com/uploads/1/3/1/4/131437977/xudab.pdf
- http://files.wonderfullifeproject.org/uploads/1/3/0/7/130740429/fixetarepev_sisedepolewexoj_fafedatun.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/44441045550.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4109/files/98865180316.pdf
- https://cdn.shopify.com/s/files/1/0431/6004/3682/files/luxuxowe.pdf
- https://cdn.shopify.com/s/files/1/0428/7430/6719/files/fogepozavosidemupotipo.pdf
- https://gugotuka.files.wordpress.com/2020/06/zokokuwim.pdf
- https://jovemubam.files.wordpress.com/2020/06/vakutako.pdf
- https://dodibob.files.wordpress.com/2020/07/55758597726.pdf
- https://kozogerut.files.wordpress.com/2020/07/zuzexifu.pdf
- https://cdn.shopify.com/s/files/1/0431/1685/5453/files/bolabijamumizogubek.pdf
- https://cdn.shopify.com/s/files/1/0428/9868/6119/files/47443071495.pdf
- https://cdn.shopify.com/s/files/1/0430/2523/6121/files/sawusurokero.pdf
- https://cdn.shopify.com/s/files/1/0429/6343/5679/files/12075373560.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76588695657.pdf
- https://cdn.shopify.com/s/files/1/0434/7602/5497/files/koretib.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_off0000c293.bin4ffc8aa0eb3e4e8f7b42395d2e002cf9f3527f3a46f1688526a0a22ce234ee03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC293 | 5252 bytes |
font_01_sfnt_off0000d484.bind99b4b7638944133cc9a4198930b2ab10c1b5d6ec0131e75dcef817039e85f02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD484 | 10920 bytes |
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